#23316D#23316D

#23316D is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.8% C 0.105 H 270.0°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#23316D
RGB	rgb(35, 49, 109)
HSL	hsl(229, 51%, 28%)
HSV	hsv(229, 68%, 43%)
CMYK	cmyk(67.9%, 55%, 0%, 57.3%)
CIE-LAB	lab(22.51, 15.59, -36.75)
CIE-LCH	lch(22.51, 39.91, 292.98°)
OKLab	oklab(33.78% 0 -0.1054)
OKLCH	oklch(33.78% 0.105 270)
XYZ	xyz(4.5508, 3.6577, 14.9312)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23316D #6D5F23

analogous

#23566D #23316D #3A236D

triadic

#23316D #6D2331 #316D23

tetradic

#23316D #6D2356 #6D5F23 #236D3A

square

#23316D #6D2356 #6D5F23 #236D3A

split-complementary

#23316D #6D3A23 #566D23

monochromatic

#070A17 #141C3F #23316D #32469B #475EC4

Accessibility & contrast

On white

12.13

#23316D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#23316D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23316D

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23316D	#FFFFFF	#000000	##FFFFFF
##23316D	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C396F

Deuteranopia (green-blind)

#00336C

Tritanopia (blue-blind)

#003F4A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #23316d;
/* rgb */ color: rgb(35, 49, 109);
/* oklch */ color: oklch(33.8% 0.105 270.0);

Tailwind

colors: {
  custom: {
    50: '#676897',
    500: '#23316d',
    950: '#000000',
  },
}

SCSS

$custom: #23316d;
$custom-light: #676897;
$custom-dark: #000000;

JSON

{
  "hex": "#23316d",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 109
  },
  "hsl": {
    "h": 228.649,
    "s": 51.389,
    "l": 28.235
  },
  "oklch": {
    "l": 0.33779,
    "c": 0.10545,
    "h": 270
  },
  "luminance": 0.03658
}

Semantic roles & 50–950 ramp

primary

#23316D

secondary

#A0904B

accent

#C04DDB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #23316D

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

Preview Lab → · Contrast checker → · Palette generator →