#131A5F#131A5F

#131A5F is a dark, vivid blue. Relative luminance 0.017; OKLCH L 26.7% C 0.121 H 270.8°. Best body text is #FFFFFF at 15.66:1 contrast (WCAG AA passes).

Color values

HEX	#131A5F
RGB	rgb(19, 26, 95)
HSL	hsl(234, 67%, 22%)
HSV	hsv(234, 80%, 37%)
CMYK	cmyk(80%, 72.6%, 0%, 62.7%)
CIE-LAB	lab(13.85, 23.97, -41.72)
CIE-LCH	lch(13.85, 48.12, 299.88°)
OKLab	oklab(26.71% 0.0017 -0.1207)
OKLCH	oklch(26.71% 0.121 270.8)
XYZ	xyz(2.7028, 1.7032, 11.0106)
Luminance	0.0170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A5F #5F5813

analogous

#13405F #131A5F #32135F

triadic

#131A5F #5F131A #1A5F13

tetradic

#131A5F #5F1340 #5F5813 #135F32

square

#131A5F #5F1340 #5F5813 #135F32

split-complementary

#131A5F #5F3213 #405F13

monochromatic

#05071A #090C2C #131A5F #1D2892 #2736C5

Accessibility & contrast

On white

15.66

#131A5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#131A5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A5F

15.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A5F	#FFFFFF	#000000	##FFFFFF
##131A5F	1.00	15.66	1.34	15.66
#FFFFFF	15.66	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002761

Deuteranopia (green-blind)

#00205E

Tritanopia (blue-blind)

#002D3A

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #131a5f;
/* rgb */ color: rgb(19, 26, 95);
/* oklch */ color: oklch(26.7% 0.121 270.8);

Tailwind

colors: {
  custom: {
    50: '#5f568d',
    500: '#131a5f',
    950: '#000000',
  },
}

SCSS

$custom: #131a5f;
$custom-light: #5f568d;
$custom-dark: #000000;

JSON

{
  "hex": "#131a5f",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 95
  },
  "hsl": {
    "h": 234.474,
    "s": 66.667,
    "l": 22.353
  },
  "oklch": {
    "l": 0.26705,
    "c": 0.12072,
    "h": 270.8
  },
  "luminance": 0.01703
}

Semantic roles & 50–950 ramp

primary

#131A5F

secondary

#978E37

accent

#DA3EEA

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #131A5F

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

Preview Lab → · Contrast checker → · Palette generator →