#131C57#131C57

#131C57 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.3% C 0.106 H 270.5°. Best body text is #FFFFFF at 15.77:1 contrast (WCAG AA passes).

Color values

HEX	#131C57
RGB	rgb(19, 28, 87)
HSL	hsl(232, 64%, 21%)
HSV	hsv(232, 78%, 34%)
CMYK	cmyk(78.2%, 67.8%, 0%, 65.9%)
CIE-LAB	lab(13.57, 19.29, -36.80)
CIE-LCH	lch(13.57, 41.55, 297.67°)
OKLab	oklab(26.26% 0.0009 -0.1063)
OKLCH	oklch(26.26% 0.106 270.5)
XYZ	xyz(2.4035, 1.6568, 9.2081)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C57 #574E13

analogous

#133E57 #131C57 #2C1357

triadic

#131C57 #57131C #1C5713

tetradic

#131C57 #57133E #574E13 #13572C

square

#131C57 #57133E #574E13 #13572C

split-complementary

#131C57 #572C13 #3E5713

monochromatic

#050819 #080C25 #131C57 #1E2C89 #293CBB

Accessibility & contrast

On white

15.77

#131C57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#131C57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C57

15.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C57	#FFFFFF	#000000	##FFFFFF
##131C57	1.00	15.77	1.33	15.77
#FFFFFF	15.77	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002659

Deuteranopia (green-blind)

#002056

Tritanopia (blue-blind)

#002B36

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #131c57;
/* rgb */ color: rgb(19, 28, 87);
/* oklch */ color: oklch(26.3% 0.106 270.5);

Tailwind

colors: {
  custom: {
    50: '#5c5887',
    500: '#131c57',
    950: '#000000',
  },
}

SCSS

$custom: #131c57;
$custom-light: #5c5887;
$custom-dark: #000000;

JSON

{
  "hex": "#131c57",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 87
  },
  "hsl": {
    "h": 232.059,
    "s": 64.151,
    "l": 20.784
  },
  "oklch": {
    "l": 0.26256,
    "c": 0.1063,
    "h": 270.5
  },
  "luminance": 0.01657
}

Semantic roles & 50–950 ramp

primary

#131C57

secondary

#8F8436

accent

#D141E7

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #131C57

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

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