#131A59#131A59

#131A59 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.1% C 0.112 H 271.1°. Best body text is #FFFFFF at 15.91:1 contrast (WCAG AA passes).

Color values

HEX	#131A59
RGB	rgb(19, 26, 89)
HSL	hsl(234, 65%, 21%)
HSV	hsv(234, 79%, 35%)
CMYK	cmyk(78.7%, 70.8%, 0%, 65.1%)
CIE-LAB	lab(13.22, 21.56, -38.73)
CIE-LCH	lch(13.22, 44.32, 299.11°)
OKLab	oklab(26.06% 0.0022 -0.112)
OKLCH	oklch(26.06% 0.112 271.1)
XYZ	xyz(2.4405, 1.5983, 9.6291)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A59 #595213

analogous

#133D59 #131A59 #2F1359

triadic

#131A59 #59131A #1A5913

tetradic

#131A59 #59133D #595213 #13592F

square

#131A59 #59133D #595213 #13592F

split-complementary

#131A59 #592F13 #3D5913

monochromatic

#050719 #080B27 #131A59 #1E298B #2937BE

Accessibility & contrast

On white

15.91

#131A59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#131A59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A59

15.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A59	#FFFFFF	#000000	##FFFFFF
##131A59	1.00	15.91	1.32	15.91
#FFFFFF	15.91	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255B

Deuteranopia (green-blind)

#001F58

Tritanopia (blue-blind)

#002B36

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #131a59;
/* rgb */ color: rgb(19, 26, 89);
/* oklch */ color: oklch(26.1% 0.112 271.1);

Tailwind

colors: {
  custom: {
    50: '#5d5689',
    500: '#131a59',
    950: '#000000',
  },
}

SCSS

$custom: #131a59;
$custom-light: #5d5689;
$custom-dark: #000000;

JSON

{
  "hex": "#131a59",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 89
  },
  "hsl": {
    "h": 234,
    "s": 64.815,
    "l": 21.176
  },
  "oklch": {
    "l": 0.26058,
    "c": 0.11198,
    "h": 271.1
  },
  "luminance": 0.01599
}

Semantic roles & 50–950 ramp

primary

#131A59

secondary

#918837

accent

#D740E8

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #131A59

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

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