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#131D8B

#131D8B Color — #131D8B

Complete color reference for #131D8B: conversions to RGB, HSL, HSV, CMYK, color harmonies, shades & tints scale, and WCAG accessibility contrast ratios.

Color Format Conversions

HEX#131D8B
RGBrgb(19, 29, 139)
HSLhsl(235, 76%, 31%)
HSVhsv(235, 86%, 55%)
CMYKC:86% M:79% Y:0% K:45%
CSS Color#131D8B
Decimal1252747
Luminance0.0288

WCAG Accessibility Contrast

#131D8B on White
Ratio: 13.32:1 — AAA
#131D8B on Black
Ratio: 1.58:1 — Fail
White on #131D8B
Ratio: 13.32:1 — AAA
Black on #131D8B
Ratio: 1.58:1 — Fail

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

Shades & Tints Scale

50#F3F4F9
100#DCDDEE
200#B8BBDC
300#9599CB
400#666CB4
500#131D8B
600#0F176F
700#0B1153
800#080C38
900#050723

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 #131D8B?

The RGB equivalent is rgb(19, 29, 139). The red channel is 19, green is 29, and blue is 139 (scale 0–255).

What is the HSL value of #131D8B?

The HSL value is hsl(235, 76%, 31%). Hue is 235°, saturation is 76%, and lightness is 31%.

Does #131D8B meet WCAG accessibility standards?

On a white background, #131D8B achieves a 13.32:1 contrast ratio (AAA). On a black background it achieves 1.58:1 (Fail). WCAG AA requires ≥4.5:1 for normal text.

What is the complementary color of #131D8B?

The complementary color (180° opposite on the hue wheel) of #131D8B is #8B8113.