#131E59#131E59

#131E59 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.9% C 0.107 H 269.6°. Best body text is #FFFFFF at 15.47:1 contrast (WCAG AA passes).

Color values

HEX	#131E59
RGB	rgb(19, 30, 89)
HSL	hsl(231, 65%, 21%)
HSV	hsv(231, 79%, 35%)
CMYK	cmyk(78.7%, 66.3%, 0%, 65.1%)
CIE-LAB	lab(14.33, 18.65, -36.91)
CIE-LCH	lch(14.33, 41.35, 296.81°)
OKLab	oklab(26.88% -0.0008 -0.1066)
OKLCH	oklch(26.88% 0.107 269.6)
XYZ	xyz(2.5354, 1.7880, 9.6608)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131E59 #594E13

analogous

#134159 #131E59 #2B1359

triadic

#131E59 #59131E #1E5913

tetradic

#131E59 #591341 #594E13 #13592B

square

#131E59 #591341 #594E13 #13592B

split-complementary

#131E59 #592B13 #415913

monochromatic

#050919 #080D27 #131E59 #1E2F8B #2940BE

Accessibility & contrast

On white

15.47

#131E59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#131E59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131E59

15.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131E59	#FFFFFF	#000000	##FFFFFF
##131E59	1.00	15.47	1.36	15.47
#FFFFFF	15.47	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285B

Deuteranopia (green-blind)

#002158

Tritanopia (blue-blind)

#002D38

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #131e59;
/* rgb */ color: rgb(19, 30, 89);
/* oklch */ color: oklch(26.9% 0.107 269.6);

Tailwind

colors: {
  custom: {
    50: '#5d5988',
    500: '#131e59',
    950: '#000000',
  },
}

SCSS

$custom: #131e59;
$custom-light: #5d5988;
$custom-dark: #000000;

JSON

{
  "hex": "#131e59",
  "rgb": {
    "r": 19,
    "g": 30,
    "b": 89
  },
  "hsl": {
    "h": 230.571,
    "s": 64.815,
    "l": 21.176
  },
  "oklch": {
    "l": 0.26877,
    "c": 0.10659,
    "h": 269.6
  },
  "luminance": 0.01788
}

Semantic roles & 50–950 ramp

primary

#131E59

secondary

#918337

accent

#CD40E8

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #131E59

Body copy rendered with the generated semantic roles for this colour.

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