#131D54#131D54

#131D54 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.2% C 0.100 H 270.1°. Best body text is #FFFFFF at 15.77:1 contrast (WCAG AA passes).

Color values

HEX	#131D54
RGB	rgb(19, 29, 84)
HSL	hsl(231, 63%, 20%)
HSV	hsv(231, 77%, 33%)
CMYK	cmyk(77.4%, 65.5%, 0%, 67.1%)
CIE-LAB	lab(13.57, 17.31, -34.77)
CIE-LCH	lch(13.57, 38.84, 296.47°)
OKLab	oklab(26.17% 0.0001 -0.1003)
OKLCH	oklch(26.17% 0.1 270.1)
XYZ	xyz(2.3076, 1.6570, 8.5840)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D54 #544A13

analogous

#133E54 #131D54 #291354

triadic

#131D54 #54131D #1D5413

tetradic

#131D54 #54133E #544A13 #135429

square

#131D54 #54133E #544A13 #135429

split-complementary

#131D54 #542913 #3E5413

monochromatic

#060919 #080C22 #131D54 #1E2E86 #2A3FB8

Accessibility & contrast

On white

15.77

#131D54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#131D54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D54

15.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D54	#FFFFFF	#000000	##FFFFFF
##131D54	1.00	15.77	1.33	15.77
#FFFFFF	15.77	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002656

Deuteranopia (green-blind)

#002053

Tritanopia (blue-blind)

#002B35

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #131d54;
/* rgb */ color: rgb(19, 29, 84);
/* oklch */ color: oklch(26.2% 0.100 270.1);

Tailwind

colors: {
  custom: {
    50: '#5b5885',
    500: '#131d54',
    950: '#000000',
  },
}

SCSS

$custom: #131d54;
$custom-light: #5b5885;
$custom-dark: #000000;

JSON

{
  "hex": "#131d54",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 84
  },
  "hsl": {
    "h": 230.769,
    "s": 63.107,
    "l": 20.196
  },
  "oklch": {
    "l": 0.26168,
    "c": 0.10033,
    "h": 270.1
  },
  "luminance": 0.01657
}

Semantic roles & 50–950 ramp

primary

#131D54

secondary

#8C7F36

accent

#CD42E6

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #131D54

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

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