#131C58#131C58

#131C58 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.4% C 0.108 H 270.4°. Best body text is #FFFFFF at 15.73:1 contrast (WCAG AA passes).

Color values

HEX	#131C58
RGB	rgb(19, 28, 88)
HSL	hsl(232, 64%, 21%)
HSV	hsv(232, 78%, 35%)
CMYK	cmyk(78.4%, 68.2%, 0%, 65.5%)
CIE-LAB	lab(13.67, 19.71, -37.32)
CIE-LCH	lch(13.67, 42.20, 297.84°)
OKLab	oklab(26.36% 0.0008 -0.1078)
OKLCH	oklch(26.36% 0.108 270.4)
XYZ	xyz(2.4447, 1.6733, 9.4248)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C58 #584F13

analogous

#133E58 #131C58 #2C1358

triadic

#131C58 #58131C #1C5813

tetradic

#131C58 #58133E #584F13 #13582C

square

#131C58 #58133E #584F13 #13582C

split-complementary

#131C58 #582C13 #3E5813

monochromatic

#050819 #080C26 #131C58 #1E2C8A #293CBD

Accessibility & contrast

On white

15.73

#131C58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#131C58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C58

15.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C58	#FFFFFF	#000000	##FFFFFF
##131C58	1.00	15.73	1.33	15.73
#FFFFFF	15.73	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265A

Deuteranopia (green-blind)

#002057

Tritanopia (blue-blind)

#002C37

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #131c58;
/* rgb */ color: rgb(19, 28, 88);
/* oklch */ color: oklch(26.4% 0.108 270.4);

Tailwind

colors: {
  custom: {
    50: '#5d5888',
    500: '#131c58',
    950: '#000000',
  },
}

SCSS

$custom: #131c58;
$custom-light: #5d5888;
$custom-dark: #000000;

JSON

{
  "hex": "#131c58",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 88
  },
  "hsl": {
    "h": 232.174,
    "s": 64.486,
    "l": 20.98
  },
  "oklch": {
    "l": 0.26358,
    "c": 0.10781,
    "h": 270.4
  },
  "luminance": 0.01674
}

Semantic roles & 50–950 ramp

primary

#131C58

secondary

#908537

accent

#D240E7

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #131C58

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

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