#231A64#231A64

#231A64 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.4% C 0.124 H 280.6°. Best body text is #FFFFFF at 14.97:1 contrast (WCAG AA passes).

Color values

HEX	#231A64
RGB	rgb(35, 26, 100)
HSL	hsl(247, 59%, 25%)
HSV	hsv(247, 74%, 39%)
CMYK	cmyk(65%, 74%, 0%, 60.8%)
CIE-LAB	lab(15.57, 28.05, -42.16)
CIE-LCH	lch(15.57, 50.64, 303.64°)
OKLab	oklab(28.42% 0.0227 -0.1215)
OKLCH	oklch(28.42% 0.124 280.6)
XYZ	xyz(3.3621, 2.0160, 12.2661)
Luminance	0.0202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A64 #5B641A

analogous

#1A3664 #231A64 #481A64

triadic

#231A64 #64231A #1A6423

tetradic

#231A64 #641A36 #5B641A #1A6448

square

#231A64 #641A36 #5B641A #1A6448

split-complementary

#231A64 #64481A #36641A

monochromatic

#080618 #120D33 #231A64 #342795 #4533C5

Accessibility & contrast

On white

14.97

#231A64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#231A64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A64

14.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A64	#FFFFFF	#000000	##FFFFFF
##231A64	1.00	14.97	1.40	14.97
#FFFFFF	14.97	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A66

Deuteranopia (green-blind)

#002463

Tritanopia (blue-blind)

#002E3D

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #231a64;
/* rgb */ color: rgb(35, 26, 100);
/* oklch */ color: oklch(28.4% 0.124 280.6);

Tailwind

colors: {
  custom: {
    50: '#675791',
    500: '#231a64',
    950: '#000000',
  },
}

SCSS

$custom: #231a64;
$custom-light: #675791;
$custom-dark: #000000;

JSON

{
  "hex": "#231a64",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 100
  },
  "hsl": {
    "h": 247.297,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.2842,
    "c": 0.12363,
    "h": 280.6
  },
  "luminance": 0.02016
}

Semantic roles & 50–950 ramp

primary

#231A64

secondary

#8F9A40

accent

#E246CF

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#07030D

muted

#7A787E

Preview Lab

Preview with #231A64

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

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