#131C5D#131C5D

#131C5D is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.9% C 0.115 H 270.3°. Best body text is #FFFFFF at 15.53:1 contrast (WCAG AA passes).

Color values

HEX	#131C5D
RGB	rgb(19, 28, 93)
HSL	hsl(233, 66%, 22%)
HSV	hsv(233, 80%, 36%)
CMYK	cmyk(79.6%, 69.9%, 0%, 63.5%)
CIE-LAB	lab(14.17, 21.75, -39.86)
CIE-LCH	lch(14.17, 45.40, 298.62°)
OKLab	oklab(26.88% 0.0005 -0.1152)
OKLCH	oklch(26.88% 0.115 270.3)
XYZ	xyz(2.6589, 1.7590, 10.5532)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C5D #5D5413

analogous

#13415D #131C5D #2F135D

triadic

#131C5D #5D131C #1C5D13

tetradic

#131C5D #5D1341 #5D5413 #135D2F

square

#131C5D #5D1341 #5D5413 #135D2F

split-complementary

#131C5D #5D2F13 #415D13

monochromatic

#050819 #090D2A #131C5D #1D2B90 #283BC3

Accessibility & contrast

On white

15.53

#131C5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#131C5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C5D

15.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C5D	#FFFFFF	#000000	##FFFFFF
##131C5D	1.00	15.53	1.35	15.53
#FFFFFF	15.53	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275F

Deuteranopia (green-blind)

#00205C

Tritanopia (blue-blind)

#002D39

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #131c5d;
/* rgb */ color: rgb(19, 28, 93);
/* oklch */ color: oklch(26.9% 0.115 270.3);

Tailwind

colors: {
  custom: {
    50: '#5e588c',
    500: '#131c5d',
    950: '#000000',
  },
}

SCSS

$custom: #131c5d;
$custom-light: #5e588c;
$custom-dark: #000000;

JSON

{
  "hex": "#131c5d",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 93
  },
  "hsl": {
    "h": 232.703,
    "s": 66.071,
    "l": 21.961
  },
  "oklch": {
    "l": 0.26876,
    "c": 0.11525,
    "h": 270.3
  },
  "luminance": 0.01759
}

Semantic roles & 50–950 ramp

primary

#131C5D

secondary

#958A37

accent

#D43FE9

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #131C5D

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

Preview Lab → · Contrast checker → · Palette generator →