#131C4E#131C4E

#131C4E is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.4% C 0.092 H 270.6°. Best body text is #FFFFFF at 16.11:1 contrast (WCAG AA passes).

Color values

HEX	#131C4E
RGB	rgb(19, 28, 78)
HSL	hsl(231, 61%, 19%)
HSV	hsv(231, 76%, 31%)
CMYK	cmyk(75.6%, 64.1%, 0%, 69.4%)
CIE-LAB	lab(12.73, 15.55, -32.06)
CIE-LCH	lch(12.73, 35.63, 295.87°)
OKLab	oklab(25.37% 0.001 -0.0924)
OKLCH	oklch(25.37% 0.092 270.6)
XYZ	xyz(2.0585, 1.5188, 7.3909)
Luminance	0.0152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.45

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C4E #4E4513

analogous

#133A4E #131C4E #28134E

triadic

#131C4E #4E131C #1C4E13

tetradic

#131C4E #4E133A #4E4513 #134E28

square

#131C4E #4E133A #4E4513 #134E28

split-complementary

#131C4E #4E2813 #3A4E13

monochromatic

#060919 #070A1D #131C4E #1F2E7F #2B3FB0

Accessibility & contrast

On white

16.11

#131C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#131C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C4E

16.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C4E	#FFFFFF	#000000	##FFFFFF
##131C4E	1.00	16.11	1.30	16.11
#FFFFFF	16.11	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002450

Deuteranopia (green-blind)

#001E4D

Tritanopia (blue-blind)

#002831

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #131c4e;
/* rgb */ color: rgb(19, 28, 78);
/* oklch */ color: oklch(25.4% 0.092 270.6);

Tailwind

colors: {
  custom: {
    50: '#5a5780',
    500: '#131c4e',
    950: '#000000',
  },
}

SCSS

$custom: #131c4e;
$custom-light: #5a5780;
$custom-dark: #000000;

JSON

{
  "hex": "#131c4e",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 78
  },
  "hsl": {
    "h": 230.847,
    "s": 60.825,
    "l": 19.02
  },
  "oklch": {
    "l": 0.25366,
    "c": 0.09238,
    "h": 270.6
  },
  "luminance": 0.01519
}

Semantic roles & 50–950 ramp

primary

#131C4E

secondary

#877A36

accent

#CC44E4

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #131C4E

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

Preview Lab → · Contrast checker → · Palette generator →