#231A7C#231A7C

#231A7C is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.0% C 0.156 H 276.4°. Best body text is #FFFFFF at 13.91:1 contrast (WCAG AA passes).

Color values

HEX	#231A7C
RGB	rgb(35, 26, 124)
HSL	hsl(246, 65%, 29%)
HSV	hsv(246, 79%, 49%)
CMYK	cmyk(71.8%, 79%, 0%, 51.4%)
CIE-LAB	lab(18.15, 36.33, -53.49)
CIE-LCH	lch(18.15, 64.66, 304.18°)
OKLab	oklab(31.02% 0.0173 -0.1546)
OKLCH	oklch(31.02% 0.156 276.4)
XYZ	xyz(4.6994, 2.5509, 19.3096)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A7C #737C1A

analogous

#1A427C #231A7C #541A7C

triadic

#231A7C #7C231A #1A7C23

tetradic

#231A7C #7C1A42 #737C1A #1A7C54

square

#231A7C #7C1A42 #737C1A #1A7C54

split-complementary

#231A7C #7C541A #427C1A

monochromatic

#070519 #150F49 #231A7C #3125AF #493BD6

Accessibility & contrast

On white

13.91

#231A7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#231A7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A7C

13.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A7C	#FFFFFF	#000000	##FFFFFF
##231A7C	1.00	13.91	1.51	13.91
#FFFFFF	13.91	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307F

Deuteranopia (green-blind)

#00287A

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #231a7c;
/* rgb */ color: rgb(35, 26, 124);
/* oklch */ color: oklch(31.0% 0.156 276.4);

Tailwind

colors: {
  custom: {
    50: '#6d59a3',
    500: '#231a7c',
    950: '#000000',
  },
}

SCSS

$custom: #231a7c;
$custom-light: #6d59a3;
$custom-dark: #000000;

JSON

{
  "hex": "#231a7c",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 124
  },
  "hsl": {
    "h": 245.51,
    "s": 65.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.31022,
    "c": 0.15557,
    "h": 276.4
  },
  "luminance": 0.02551
}

Semantic roles & 50–950 ramp

primary

#231A7C

secondary

#A6B042

accent

#E840D9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #231A7C

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

Preview Lab → · Contrast checker → · Palette generator →