#23187D#23187D

#23187D is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.9% C 0.159 H 276.5°. Best body text is #FFFFFF at 14.02:1 contrast (WCAG AA passes).

Color values

HEX	#23187D
RGB	rgb(35, 24, 125)
HSL	hsl(247, 68%, 29%)
HSV	hsv(247, 81%, 49%)
CMYK	cmyk(72%, 80.8%, 0%, 51%)
CIE-LAB	lab(17.88, 37.76, -54.58)
CIE-LCH	lch(17.88, 66.37, 304.68°)
OKLab	oklab(30.87% 0.0181 -0.1577)
OKLCH	oklch(30.87% 0.159 276.5)
XYZ	xyz(4.7202, 2.4908, 19.6301)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23187D #727D18

analogous

#18407D #23187D #56187D

triadic

#23187D #7D2318 #187D23

tetradic

#23187D #7D1840 #727D18 #187D56

square

#23187D #7D1840 #727D18 #187D56

split-complementary

#23187D #7D5618 #407D18

monochromatic

#07051A #150E4A #23187D #3122B0 #4837D9

Accessibility & contrast

On white

14.02

#23187D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#23187D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23187D

14.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23187D	#FFFFFF	#000000	##FFFFFF
##23187D	1.00	14.02	1.50	14.02
#FFFFFF	14.02	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003080

Deuteranopia (green-blind)

#00277B

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #23187d;
/* rgb */ color: rgb(35, 24, 125);
/* oklch */ color: oklch(30.9% 0.159 276.5);

Tailwind

colors: {
  custom: {
    50: '#6d58a4',
    500: '#23187d',
    950: '#000000',
  },
}

SCSS

$custom: #23187d;
$custom-light: #6d58a4;
$custom-dark: #000000;

JSON

{
  "hex": "#23187d",
  "rgb": {
    "r": 35,
    "g": 24,
    "b": 125
  },
  "hsl": {
    "h": 246.535,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.30867,
    "c": 0.15877,
    "h": 276.5
  },
  "luminance": 0.02491
}

Semantic roles & 50–950 ramp

primary

#23187D

secondary

#A5B23F

accent

#EB3DD8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #23187D

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

Preview Lab → · Contrast checker → · Palette generator →