#131D5D#131D5D

#131D5D is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.1% C 0.114 H 269.9°. Best body text is #FFFFFF at 15.43:1 contrast (WCAG AA passes).

Color values

HEX	#131D5D
RGB	rgb(19, 29, 93)
HSL	hsl(232, 66%, 22%)
HSV	hsv(232, 80%, 36%)
CMYK	cmyk(79.6%, 68.8%, 0%, 63.5%)
CIE-LAB	lab(14.44, 21.03, -39.41)
CIE-LCH	lch(14.44, 44.67, 298.09°)
OKLab	oklab(27.08% -0.0002 -0.1139)
OKLCH	oklch(27.08% 0.114 269.9)
XYZ	xyz(2.6830, 1.8072, 10.5612)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D5D #5D5313

analogous

#13425D #131D5D #2E135D

triadic

#131D5D #5D131D #1D5D13

tetradic

#131D5D #5D1342 #5D5313 #135D2E

square

#131D5D #5D1342 #5D5313 #135D2E

split-complementary

#131D5D #5D2E13 #425D13

monochromatic

#050819 #090D2A #131D5D #1D2D90 #283DC3

Accessibility & contrast

On white

15.43

#131D5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#131D5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D5D

15.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D5D	#FFFFFF	#000000	##FFFFFF
##131D5D	1.00	15.43	1.36	15.43
#FFFFFF	15.43	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285F

Deuteranopia (green-blind)

#00215C

Tritanopia (blue-blind)

#002E3A

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #131d5d;
/* rgb */ color: rgb(19, 29, 93);
/* oklch */ color: oklch(27.1% 0.114 269.9);

Tailwind

colors: {
  custom: {
    50: '#5e588c',
    500: '#131d5d',
    950: '#000000',
  },
}

SCSS

$custom: #131d5d;
$custom-light: #5e588c;
$custom-dark: #000000;

JSON

{
  "hex": "#131d5d",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 93
  },
  "hsl": {
    "h": 231.892,
    "s": 66.071,
    "l": 21.961
  },
  "oklch": {
    "l": 0.27077,
    "c": 0.11393,
    "h": 269.9
  },
  "luminance": 0.01807
}

Semantic roles & 50–950 ramp

primary

#131D5D

secondary

#958837

accent

#D23FE9

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #131D5D

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

Preview Lab → · Contrast checker → · Palette generator →