#131A55#131A55

#131A55 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.6% C 0.106 H 271.4°. Best body text is #FFFFFF at 16.07:1 contrast (WCAG AA passes).

Color values

HEX	#131A55
RGB	rgb(19, 26, 85)
HSL	hsl(234, 63%, 20%)
HSV	hsv(234, 78%, 33%)
CMYK	cmyk(77.6%, 69.4%, 0%, 66.7%)
CIE-LAB	lab(12.82, 19.93, -36.69)
CIE-LCH	lch(12.82, 41.75, 298.52°)
OKLab	oklab(25.64% 0.0025 -0.106)
OKLCH	oklch(25.64% 0.106 271.4)
XYZ	xyz(2.2771, 1.5329, 8.7684)
Luminance	0.0153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A55 #554E13

analogous

#133B55 #131A55 #2D1355

triadic

#131A55 #55131A #1A5513

tetradic

#131A55 #55133B #554E13 #13552D

square

#131A55 #55133B #554E13 #13552D

split-complementary

#131A55 #552D13 #3B5513

monochromatic

#060819 #080B23 #131A55 #1E2987 #2939B9

Accessibility & contrast

On white

16.07

#131A55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#131A55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A55

16.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A55	#FFFFFF	#000000	##FFFFFF
##131A55	1.00	16.07	1.31	16.07
#FFFFFF	16.07	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002457

Deuteranopia (green-blind)

#001E54

Tritanopia (blue-blind)

#002934

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #131a55;
/* rgb */ color: rgb(19, 26, 85);
/* oklch */ color: oklch(25.6% 0.106 271.4);

Tailwind

colors: {
  custom: {
    50: '#5c5685',
    500: '#131a55',
    950: '#000000',
  },
}

SCSS

$custom: #131a55;
$custom-light: #5c5685;
$custom-dark: #000000;

JSON

{
  "hex": "#131a55",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 85
  },
  "hsl": {
    "h": 233.636,
    "s": 63.462,
    "l": 20.392
  },
  "oklch": {
    "l": 0.25638,
    "c": 0.10601,
    "h": 271.4
  },
  "luminance": 0.01533
}

Semantic roles & 50–950 ramp

primary

#131A55

secondary

#8D8436

accent

#D541E6

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #131A55

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

Preview Lab → · Contrast checker → · Palette generator →