#131D6E#131D6E

#131D6E is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.9% C 0.138 H 269.3°. Best body text is #FFFFFF at 14.70:1 contrast (WCAG AA passes).

Color values

HEX	#131D6E
RGB	rgb(19, 29, 110)
HSL	hsl(233, 71%, 25%)
HSV	hsv(233, 83%, 43%)
CMYK	cmyk(82.7%, 73.6%, 0%, 56.9%)
CIE-LAB	lab(16.22, 27.81, -47.69)
CIE-LCH	lch(16.22, 55.21, 300.25°)
OKLab	oklab(28.91% -0.0017 -0.1381)
OKLCH	oklch(28.91% 0.138 269.3)
XYZ	xyz(3.5214, 2.1426, 14.9768)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D6E #6E6413

analogous

#134A6E #131D6E #37136E

triadic

#131D6E #6E131D #1D6E13

tetradic

#131D6E #6E134A #6E6413 #136E37

square

#131D6E #6E134A #6E6413 #136E37

split-complementary

#131D6E #6E3713 #4A6E13

monochromatic

#05071A #0A0F3A #131D6E #1C2BA2 #2539D6

Accessibility & contrast

On white

14.70

#131D6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#131D6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D6E

14.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D6E	#FFFFFF	#000000	##FFFFFF
##131D6E	1.00	14.70	1.43	14.70
#FFFFFF	14.70	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D70

Deuteranopia (green-blind)

#00246D

Tritanopia (blue-blind)

#003443

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #131d6e;
/* rgb */ color: rgb(19, 29, 110);
/* oklch */ color: oklch(28.9% 0.138 269.3);

Tailwind

colors: {
  custom: {
    50: '#635999',
    500: '#131d6e',
    950: '#000000',
  },
}

SCSS

$custom: #131d6e;
$custom-light: #635999;
$custom-dark: #000000;

JSON

{
  "hex": "#131d6e",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 110
  },
  "hsl": {
    "h": 233.407,
    "s": 70.543,
    "l": 25.294
  },
  "oklch": {
    "l": 0.2891,
    "c": 0.13814,
    "h": 269.3
  },
  "luminance": 0.02143
}

Semantic roles & 50–950 ramp

primary

#131D6E

secondary

#A59938

accent

#DA3AED

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #131D6E

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

Preview Lab → · Contrast checker → · Palette generator →