#131D74#131D74

#131D74 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.6% C 0.146 H 269.0°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#131D74
RGB	rgb(19, 29, 116)
HSL	hsl(234, 72%, 26%)
HSV	hsv(234, 84%, 45%)
CMYK	cmyk(83.6%, 75%, 0%, 54.5%)
CIE-LAB	lab(16.88, 30.12, -50.48)
CIE-LCH	lch(16.88, 58.79, 300.82°)
OKLab	oklab(29.59% -0.0024 -0.1463)
OKLCH	oklch(29.59% 0.146 269)
XYZ	xyz(3.8592, 2.2777, 16.7558)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D74 #746A13

analogous

#134E74 #131D74 #3A1374

triadic

#131D74 #74131D #1D7413

tetradic

#131D74 #74134E #746A13 #13743A

square

#131D74 #74134E #746A13 #13743A

split-complementary

#131D74 #743A13 #4E7413

monochromatic

#04071A #0A103F #131D74 #1C2AA9 #2639DB

Accessibility & contrast

On white

14.43

#131D74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#131D74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D74

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D74	#FFFFFF	#000000	##FFFFFF
##131D74	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E77

Deuteranopia (green-blind)

#002572

Tritanopia (blue-blind)

#003646

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #131d74;
/* rgb */ color: rgb(19, 29, 116);
/* oklch */ color: oklch(29.6% 0.146 269.0);

Tailwind

colors: {
  custom: {
    50: '#65599d',
    500: '#131d74',
    950: '#000000',
  },
}

SCSS

$custom: #131d74;
$custom-light: #65599d;
$custom-dark: #000000;

JSON

{
  "hex": "#131d74",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 116
  },
  "hsl": {
    "h": 233.814,
    "s": 71.852,
    "l": 26.471
  },
  "oklch": {
    "l": 0.29586,
    "c": 0.14628,
    "h": 269
  },
  "luminance": 0.02278
}

Semantic roles & 50–950 ramp

primary

#131D74

secondary

#AA9F38

accent

#DC39EF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #131D74

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

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