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#00008B

Darkblue Color — #00008B

Complete color reference for #00008B: conversions to RGB, HSL, HSV, CMYK, color harmonies, shades & tints scale, and WCAG accessibility contrast ratios.

Color Format Conversions

HEX#00008B
RGBrgb(0, 0, 139)
HSLhsl(240, 100%, 27%)
HSVhsv(240, 100%, 55%)
CMYKC:100% M:100% Y:0% K:45%
CSS Colordarkblue
Decimal139
Luminance0.0186

WCAG Accessibility Contrast

#00008B on White
Ratio: 15.3:1 — AAA
#00008B on Black
Ratio: 1.37:1 — Fail
White on #00008B
Ratio: 15.3:1 — AAA
Black on #00008B
Ratio: 1.37:1 — Fail

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

Shades & Tints Scale

50#F2F2F9
100#D9D9EE
200#B3B3DC
300#8C8CCB
400#5959B4
500#00008B
600#00006F
700#000053
800#000038
900#000023

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 #00008B?

The RGB equivalent is rgb(0, 0, 139). The red channel is 0, green is 0, and blue is 139 (scale 0–255).

What is the HSL value of #00008B?

The HSL value is hsl(240, 100%, 27%). Hue is 240°, saturation is 100%, and lightness is 27%.

Does #00008B meet WCAG accessibility standards?

On a white background, #00008B achieves a 15.3:1 contrast ratio (AAA). On a black background it achieves 1.37:1 (Fail). WCAG AA requires ≥4.5:1 for normal text.

What is the complementary color of #00008B?

The complementary color (180° opposite on the hue wheel) of #00008B is #8A8A00.