#131C59#131C59

#131C59 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.5% C 0.109 H 270.4°. Best body text is #FFFFFF at 15.70:1 contrast (WCAG AA passes).

Color values

HEX	#131C59
RGB	rgb(19, 28, 89)
HSL	hsl(232, 65%, 21%)
HSV	hsv(232, 79%, 35%)
CMYK	cmyk(78.7%, 68.5%, 0%, 65.1%)
CIE-LAB	lab(13.77, 20.12, -37.83)
CIE-LCH	lch(13.77, 42.84, 298.00°)
OKLab	oklab(26.46% 0.0008 -0.1093)
OKLCH	oklch(26.46% 0.109 270.4)
XYZ	xyz(2.4864, 1.6900, 9.6444)
Luminance	0.0169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C59 #595013

analogous

#133F59 #131C59 #2D1359

triadic

#131C59 #59131C #1C5913

tetradic

#131C59 #59133F #595013 #13592D

square

#131C59 #59133F #595013 #13592D

split-complementary

#131C59 #592D13 #3F5913

monochromatic

#050819 #080C27 #131C59 #1E2C8B #293CBE

Accessibility & contrast

On white

15.70

#131C59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#131C59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C59

15.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C59	#FFFFFF	#000000	##FFFFFF
##131C59	1.00	15.70	1.34	15.70
#FFFFFF	15.70	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265B

Deuteranopia (green-blind)

#002058

Tritanopia (blue-blind)

#002C37

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #131c59;
/* rgb */ color: rgb(19, 28, 89);
/* oklch */ color: oklch(26.5% 0.109 270.4);

Tailwind

colors: {
  custom: {
    50: '#5d5889',
    500: '#131c59',
    950: '#000000',
  },
}

SCSS

$custom: #131c59;
$custom-light: #5d5889;
$custom-dark: #000000;

JSON

{
  "hex": "#131c59",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 89
  },
  "hsl": {
    "h": 232.286,
    "s": 64.815,
    "l": 21.176
  },
  "oklch": {
    "l": 0.2646,
    "c": 0.10931,
    "h": 270.4
  },
  "luminance": 0.0169
}

Semantic roles & 50–950 ramp

primary

#131C59

secondary

#918637

accent

#D240E8

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #131C59

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

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