#131A58#131A58

#131A58 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.0% C 0.111 H 271.2°. Best body text is #FFFFFF at 15.95:1 contrast (WCAG AA passes).

Color values

HEX	#131A58
RGB	rgb(19, 26, 88)
HSL	hsl(234, 64%, 21%)
HSV	hsv(234, 78%, 35%)
CMYK	cmyk(78.4%, 70.5%, 0%, 65.5%)
CIE-LAB	lab(13.12, 21.16, -38.22)
CIE-LCH	lch(13.12, 43.68, 298.97°)
OKLab	oklab(25.95% 0.0023 -0.1105)
OKLCH	oklch(25.95% 0.111 271.2)
XYZ	xyz(2.3988, 1.5816, 9.4095)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A58 #585113

analogous

#133C58 #131A58 #2E1358

triadic

#131A58 #58131A #1A5813

tetradic

#131A58 #58133C #585113 #13582E

square

#131A58 #58133C #585113 #13582E

split-complementary

#131A58 #582E13 #3C5813

monochromatic

#050719 #080B26 #131A58 #1E298A #2938BD

Accessibility & contrast

On white

15.95

#131A58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#131A58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A58

15.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A58	#FFFFFF	#000000	##FFFFFF
##131A58	1.00	15.95	1.32	15.95
#FFFFFF	15.95	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255A

Deuteranopia (green-blind)

#001F57

Tritanopia (blue-blind)

#002A36

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #131a58;
/* rgb */ color: rgb(19, 26, 88);
/* oklch */ color: oklch(26.0% 0.111 271.2);

Tailwind

colors: {
  custom: {
    50: '#5d5688',
    500: '#131a58',
    950: '#000000',
  },
}

SCSS

$custom: #131a58;
$custom-light: #5d5688;
$custom-dark: #000000;

JSON

{
  "hex": "#131a58",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 88
  },
  "hsl": {
    "h": 233.913,
    "s": 64.486,
    "l": 20.98
  },
  "oklch": {
    "l": 0.25952,
    "c": 0.1105,
    "h": 271.2
  },
  "luminance": 0.01582
}

Semantic roles & 50–950 ramp

primary

#131A58

secondary

#908737

accent

#D740E7

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #131A58

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

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