#131F49#131F49

#131F49 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.6% C 0.080 H 268.3°. Best body text is #FFFFFF at 15.91:1 contrast (WCAG AA passes).

Color values

HEX	#131F49
RGB	rgb(19, 31, 73)
HSL	hsl(227, 59%, 18%)
HSV	hsv(227, 74%, 29%)
CMYK	cmyk(74%, 57.5%, 0%, 71.4%)
CIE-LAB	lab(13.23, 11.15, -27.81)
CIE-LCH	lch(13.23, 29.96, 291.86°)
OKLab	oklab(25.61% -0.0024 -0.0798)
OKLCH	oklch(25.61% 0.08 268.3)
XYZ	xyz(1.9607, 1.5993, 6.5074)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F49 #493D13

analogous

#133A49 #131F49 #221349

triadic

#131F49 #49131F #1F4913

tetradic

#131F49 #49133A #493D13 #134922

square

#131F49 #49133A #493D13 #134922

split-complementary

#131F49 #492213 #3A4913

monochromatic

#060A18 #060A18 #131F49 #20347A #2C48AA

Accessibility & contrast

On white

15.91

#131F49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#131F49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F49

15.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F49	#FFFFFF	#000000	##FFFFFF
##131F49	1.00	15.91	1.32	15.91
#FFFFFF	15.91	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06254A

Deuteranopia (green-blind)

#002048

Tritanopia (blue-blind)

#002930

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #131f49;
/* rgb */ color: rgb(19, 31, 73);
/* oklch */ color: oklch(25.6% 0.080 268.3);

Tailwind

colors: {
  custom: {
    50: '#585a7c',
    500: '#131f49',
    950: '#000000',
  },
}

SCSS

$custom: #131f49;
$custom-light: #585a7c;
$custom-dark: #000000;

JSON

{
  "hex": "#131f49",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 73
  },
  "hsl": {
    "h": 226.667,
    "s": 58.696,
    "l": 18.039
  },
  "oklch": {
    "l": 0.25605,
    "c": 0.07986,
    "h": 268.3
  },
  "luminance": 0.01599
}

Semantic roles & 50–950 ramp

primary

#131F49

secondary

#827136

accent

#BF46E2

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #131F49

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

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