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#0000CD

Mediumblue Color — #0000CD

Complete color reference for #0000CD: conversions to RGB, HSL, HSV, CMYK, color harmonies, shades & tints scale, and WCAG accessibility contrast ratios.

Color Format Conversions

HEX#0000CD
RGBrgb(0, 0, 205)
HSLhsl(240, 100%, 40%)
HSVhsv(240, 100%, 80%)
CMYKC:100% M:100% Y:0% K:20%
CSS Colormediumblue
Decimal205
Luminance0.0441

WCAG Accessibility Contrast

#0000CD on White
Ratio: 11.16:1 — AAA
#0000CD on Black
Ratio: 1.88:1 — Fail
White on #0000CD
Ratio: 11.16:1 — AAA
Black on #0000CD
Ratio: 1.88:1 — Fail

WCAG AA requires ≥4.5:1 (normal text) or ≥3:1 (large text). WCAG AAA requires ≥7:1.

Shades & Tints Scale

50#F2F2FD
100#D9D9F8
200#B3B3F0
300#8C8CE9
400#5959DF
500#0000CD
600#0000A4
700#00007B
800#000052
900#000033

Steps 50–400 are tints (mixed with white); 500 is the base color; 600–900 are shades (mixed with black).

Color Harmonies

Related Color Tools

Frequently Asked Questions

What is the RGB equivalent of #0000CD?

The RGB equivalent is rgb(0, 0, 205). The red channel is 0, green is 0, and blue is 205 (scale 0–255).

What is the HSL value of #0000CD?

The HSL value is hsl(240, 100%, 40%). Hue is 240°, saturation is 100%, and lightness is 40%.

Does #0000CD meet WCAG accessibility standards?

On a white background, #0000CD achieves a 11.16:1 contrast ratio (AAA). On a black background it achieves 1.88:1 (Fail). WCAG AA requires ≥4.5:1 for normal text.

What is the complementary color of #0000CD?

The complementary color (180° opposite on the hue wheel) of #0000CD is #CCCC00.