#231A8A#231A8A

#231A8A is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.6% C 0.173 H 274.6°. Best body text is #FFFFFF at 13.24:1 contrast (WCAG AA passes).

Color values

HEX	#231A8A
RGB	rgb(35, 26, 138)
HSL	hsl(245, 68%, 32%)
HSV	hsv(245, 81%, 54%)
CMYK	cmyk(74.6%, 81.2%, 0%, 45.9%)
CIE-LAB	lab(19.76, 40.97, -59.67)
CIE-LCH	lch(19.76, 72.38, 304.47°)
OKLab	oklab(32.63% 0.0137 -0.1726)
OKLCH	oklch(32.63% 0.173 274.6)
XYZ	xyz(5.6485, 2.9305, 24.3078)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A8A #818A1A

analogous

#1A498A #231A8A #5B1A8A

triadic

#231A8A #8A231A #1A8A23

tetradic

#231A8A #8A1A49 #818A1A #1A8A5B

square

#231A8A #8A1A49 #818A1A #1A8A5B

split-complementary

#231A8A #8A5B1A #498A1A

monochromatic

#090723 #161057 #231A8A #3024BD #4F43DC

Accessibility & contrast

On white

13.24

#231A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#231A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A8A

13.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A8A	#FFFFFF	#000000	##FFFFFF
##231A8A	1.00	13.24	1.59	13.24
#FFFFFF	13.24	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358D

Deuteranopia (green-blind)

#002B88

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #231a8a;
/* rgb */ color: rgb(35, 26, 138);
/* oklch */ color: oklch(32.6% 0.173 274.6);

Tailwind

colors: {
  custom: {
    50: '#705aad',
    500: '#231a8a',
    950: '#000000',
  },
}

SCSS

$custom: #231a8a;
$custom-light: #705aad;
$custom-dark: #000000;

JSON

{
  "hex": "#231a8a",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 138
  },
  "hsl": {
    "h": 244.821,
    "s": 68.293,
    "l": 32.157
  },
  "oklch": {
    "l": 0.3263,
    "c": 0.17311,
    "h": 274.6
  },
  "luminance": 0.02931
}

Semantic roles & 50–950 ramp

primary

#231A8A

secondary

#B3BD43

accent

#EB3DDD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #231A8A

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

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