#23357C#23357C

#23357C is a dark, vivid blue. Relative luminance 0.044; OKLCH L 35.9% C 0.123 H 268.7°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#23357C
RGB	rgb(35, 53, 124)
HSL	hsl(228, 56%, 31%)
HSV	hsv(228, 72%, 49%)
CMYK	cmyk(71.8%, 57.3%, 0%, 51.4%)
CIE-LAB	lab(24.82, 18.64, -42.56)
CIE-LCH	lch(24.82, 46.47, 293.65°)
OKLab	oklab(35.89% -0.0027 -0.1225)
OKLCH	oklch(35.89% 0.123 268.7)
XYZ	xyz(5.6031, 4.3582, 19.6108)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23357C #7C6A23

analogous

#23617C #23357C #3D237C

triadic

#23357C #7C2335 #357C23

tetradic

#23357C #7C2361 #7C6A23 #237C3D

square

#23357C #7C2361 #7C6A23 #237C3D

split-complementary

#23357C #7C3D23 #617C23

monochromatic

#080C1D #16214C #23357C #3049AC #4D67CD

Accessibility & contrast

On white

11.22

#23357C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#23357C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23357C

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23357C	#FFFFFF	#000000	##FFFFFF
##23357C	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7E

Deuteranopia (green-blind)

#00377B

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #23357c;
/* rgb */ color: rgb(35, 53, 124);
/* oklch */ color: oklch(35.9% 0.123 268.7);

Tailwind

colors: {
  custom: {
    50: '#6a6ba2',
    500: '#23357c',
    950: '#000000',
  },
}

SCSS

$custom: #23357c;
$custom-light: #6a6ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#23357c",
  "rgb": {
    "r": 35,
    "g": 53,
    "b": 124
  },
  "hsl": {
    "h": 227.865,
    "s": 55.975,
    "l": 31.176
  },
  "oklch": {
    "l": 0.35891,
    "c": 0.12254,
    "h": 268.7
  },
  "luminance": 0.04359
}

Semantic roles & 50–950 ramp

primary

#23357C

secondary

#AF9B4C

accent

#C149DF

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #23357C

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

Preview Lab → · Contrast checker → · Palette generator →