#23187F#23187F

#23187F is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.1% C 0.161 H 276.2°. Best body text is #FFFFFF at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#23187F
RGB	rgb(35, 24, 127)
HSL	hsl(246, 68%, 30%)
HSV	hsv(246, 81%, 50%)
CMYK	cmyk(72.4%, 81.1%, 0%, 50.2%)
CIE-LAB	lab(18.11, 38.42, -55.46)
CIE-LCH	lch(18.11, 67.47, 304.71°)
OKLab	oklab(31.1% 0.0176 -0.1603)
OKLCH	oklch(31.1% 0.161 276.2)
XYZ	xyz(4.8493, 2.5424, 20.3097)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23187F #747F18

analogous

#18407F #23187F #57187F

triadic

#23187F #7F2318 #187F23

tetradic

#23187F #7F1840 #747F18 #187F57

square

#23187F #7F1840 #747F18 #187F57

split-complementary

#23187F #7F5718 #407F18

monochromatic

#07051A #150E4C #23187F #3122B2 #4938D9

Accessibility & contrast

On white

13.92

#23187F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#23187F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23187F

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23187F	#FFFFFF	#000000	##FFFFFF
##23187F	1.00	13.92	1.51	13.92
#FFFFFF	13.92	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003182

Deuteranopia (green-blind)

#00287D

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #23187f;
/* rgb */ color: rgb(35, 24, 127);
/* oklch */ color: oklch(31.1% 0.161 276.2);

Tailwind

colors: {
  custom: {
    50: '#6e58a5',
    500: '#23187f',
    950: '#000000',
  },
}

SCSS

$custom: #23187f;
$custom-light: #6e58a5;
$custom-dark: #000000;

JSON

{
  "hex": "#23187f",
  "rgb": {
    "r": 35,
    "g": 24,
    "b": 127
  },
  "hsl": {
    "h": 246.408,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31098,
    "c": 0.16128,
    "h": 276.2
  },
  "luminance": 0.02543
}

Semantic roles & 50–950 ramp

primary

#23187F

secondary

#A7B33F

accent

#EB3DD8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #23187F

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

Preview Lab → · Contrast checker → · Palette generator →