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#333399

#333399 Color — #333399

Complete color reference for #333399: conversions to RGB, HSL, HSV, CMYK, color harmonies, shades & tints scale, and WCAG accessibility contrast ratios.

Color Format Conversions

HEX#333399
RGBrgb(51, 51, 153)
HSLhsl(240, 50%, 40%)
HSVhsv(240, 67%, 60%)
CMYKC:67% M:67% Y:0% K:40%
CSS Color#333399
Decimal3355545
Luminance0.0537

WCAG Accessibility Contrast

#333399 on White
Ratio: 10.12:1 — AAA
#333399 on Black
Ratio: 2.07:1 — Fail
White on #333399
Ratio: 10.12:1 — AAA
Black on #333399
Ratio: 2.07:1 — Fail

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

Shades & Tints Scale

50#F5F5FA
100#E0E0F0
200#C2C2E0
300#A3A3D1
400#7A7ABD
500#333399
600#29297A
700#1F1F5C
800#14143D
900#0D0D26

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 #333399?

The RGB equivalent is rgb(51, 51, 153). The red channel is 51, green is 51, and blue is 153 (scale 0–255).

What is the HSL value of #333399?

The HSL value is hsl(240, 50%, 40%). Hue is 240°, saturation is 50%, and lightness is 40%.

Does #333399 meet WCAG accessibility standards?

On a white background, #333399 achieves a 10.12:1 contrast ratio (AAA). On a black background it achieves 2.07:1 (Fail). WCAG AA requires ≥4.5:1 for normal text.

What is the complementary color of #333399?

The complementary color (180° opposite on the hue wheel) of #333399 is #999933.