#23137C#23137C

#23137C is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.162 H 277.4°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#23137C
RGB	rgb(35, 19, 124)
HSL	hsl(249, 73%, 28%)
HSV	hsv(249, 85%, 49%)
CMYK	cmyk(71.8%, 84.7%, 0%, 51.4%)
CIE-LAB	lab(16.88, 39.98, -55.58)
CIE-LCH	lch(16.88, 68.47, 305.73°)
OKLab	oklab(30.14% 0.0207 -0.1606)
OKLCH	oklch(30.14% 0.162 277.4)
XYZ	xyz(4.5629, 2.2779, 19.2641)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23137C #6C7C13

analogous

#13377C #23137C #57137C

triadic

#23137C #7C2313 #137C23

tetradic

#23137C #7C1337 #6C7C13 #137C57

square

#23137C #7C1337 #6C7C13 #137C57

split-complementary

#23137C #7C5713 #377C13

monochromatic

#07041B #140B47 #23137C #321BB1 #462BDF

Accessibility & contrast

On white

14.43

#23137C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#23137C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23137C

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23137C	#FFFFFF	#000000	##FFFFFF
##23137C	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7F

Deuteranopia (green-blind)

#00257A

Tritanopia (blue-blind)

#003449

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #23137c;
/* rgb */ color: rgb(35, 19, 124);
/* oklch */ color: oklch(30.1% 0.162 277.4);

Tailwind

colors: {
  custom: {
    50: '#6d55a3',
    500: '#23137c',
    950: '#000000',
  },
}

SCSS

$custom: #23137c;
$custom-light: #6d55a3;
$custom-dark: #000000;

JSON

{
  "hex": "#23137c",
  "rgb": {
    "r": 35,
    "g": 19,
    "b": 124
  },
  "hsl": {
    "h": 249.143,
    "s": 73.427,
    "l": 28.039
  },
  "oklch": {
    "l": 0.30141,
    "c": 0.16192,
    "h": 277.4
  },
  "luminance": 0.02278
}

Semantic roles & 50–950 ramp

primary

#23137C

secondary

#9FB239

accent

#F038D4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #23137C

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

Preview Lab → · Contrast checker → · Palette generator →