#23137F#23137F

#23137F is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.5% C 0.166 H 276.9°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#23137F
RGB	rgb(35, 19, 127)
HSL	hsl(249, 74%, 29%)
HSV	hsv(249, 85%, 50%)
CMYK	cmyk(72.4%, 85%, 0%, 50.2%)
CIE-LAB	lab(17.25, 40.93, -56.89)
CIE-LCH	lch(17.25, 70.08, 305.73°)
OKLab	oklab(30.5% 0.0198 -0.1644)
OKLCH	oklch(30.5% 0.166 276.9)
XYZ	xyz(4.7555, 2.3549, 20.2785)
Luminance	0.0236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23137F #6F7F13

analogous

#13397F #23137F #59137F

triadic

#23137F #7F2313 #137F23

tetradic

#23137F #7F1339 #6F7F13 #137F59

square

#23137F #7F1339 #6F7F13 #137F59

split-complementary

#23137F #7F5913 #397F13

monochromatic

#07041B #140B4A #23137F #321BB4 #472DE0

Accessibility & contrast

On white

14.28

#23137F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#23137F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23137F

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23137F	#FFFFFF	#000000	##FFFFFF
##23137F	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F82

Deuteranopia (green-blind)

#00267D

Tritanopia (blue-blind)

#00354A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #23137f;
/* rgb */ color: rgb(35, 19, 127);
/* oklch */ color: oklch(30.5% 0.166 276.9);

Tailwind

colors: {
  custom: {
    50: '#6e55a5',
    500: '#23137f',
    950: '#000000',
  },
}

SCSS

$custom: #23137f;
$custom-light: #6e55a5;
$custom-dark: #000000;

JSON

{
  "hex": "#23137f",
  "rgb": {
    "r": 35,
    "g": 19,
    "b": 127
  },
  "hsl": {
    "h": 248.889,
    "s": 73.973,
    "l": 28.627
  },
  "oklch": {
    "l": 0.30501,
    "c": 0.16556,
    "h": 276.9
  },
  "luminance": 0.02355
}

Semantic roles & 50–950 ramp

primary

#23137F

secondary

#A2B439

accent

#F137D5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #23137F

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

Preview Lab → · Contrast checker → · Palette generator →