#231A68#231A68

#231A68 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.8% C 0.129 H 279.8°. Best body text is #FFFFFF at 14.80:1 contrast (WCAG AA passes).

Color values

HEX	#231A68
RGB	rgb(35, 26, 104)
HSL	hsl(247, 60%, 25%)
HSV	hsv(247, 75%, 41%)
CMYK	cmyk(66.3%, 75%, 0%, 59.2%)
CIE-LAB	lab(15.98, 29.45, -44.12)
CIE-LCH	lch(15.98, 53.05, 303.72°)
OKLab	oklab(28.84% 0.0219 -0.1273)
OKLCH	oklch(28.84% 0.129 279.8)
XYZ	xyz(3.5604, 2.0953, 13.3108)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A68 #5F681A

analogous

#1A3868 #231A68 #4A1A68

triadic

#231A68 #68231A #1A6823

tetradic

#231A68 #681A38 #5F681A #1A684A

square

#231A68 #681A38 #5F681A #1A684A

split-complementary

#231A68 #684A1A #38681A

monochromatic

#080618 #130E37 #231A68 #332699 #4432CA

Accessibility & contrast

On white

14.80

#231A68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#231A68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A68

14.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A68	#FFFFFF	#000000	##FFFFFF
##231A68	1.00	14.80	1.42	14.80
#FFFFFF	14.80	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6A

Deuteranopia (green-blind)

#002567

Tritanopia (blue-blind)

#002F3F

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #231a68;
/* rgb */ color: rgb(35, 26, 104);
/* oklch */ color: oklch(28.8% 0.129 279.8);

Tailwind

colors: {
  custom: {
    50: '#685894',
    500: '#231a68',
    950: '#000000',
  },
}

SCSS

$custom: #231a68;
$custom-light: #685894;
$custom-dark: #000000;

JSON

{
  "hex": "#231a68",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 104
  },
  "hsl": {
    "h": 246.923,
    "s": 60,
    "l": 25.49
  },
  "oklch": {
    "l": 0.28837,
    "c": 0.12915,
    "h": 279.8
  },
  "luminance": 0.02096
}

Semantic roles & 50–950 ramp

primary

#231A68

secondary

#939D40

accent

#E345D1

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#07030D

muted

#7A787E

Preview Lab

Preview with #231A68

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

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