#23316B#23316B

#23316B is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.6% C 0.102 H 269.9°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#23316B
RGB	rgb(35, 49, 107)
HSL	hsl(228, 51%, 28%)
HSV	hsv(228, 67%, 42%)
CMYK	cmyk(67.3%, 54.2%, 0%, 58%)
CIE-LAB	lab(22.36, 14.81, -35.70)
CIE-LCH	lch(22.36, 38.65, 292.53°)
OKLab	oklab(33.62% -0.0002 -0.1024)
OKLCH	oklch(33.62% 0.102 269.9)
XYZ	xyz(4.4444, 3.6151, 14.3706)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23316B #6B5D23

analogous

#23556B #23316B #39236B

triadic

#23316B #6B2331 #316B23

tetradic

#23316B #6B2355 #6B5D23 #236B39

square

#23316B #6B2355 #6B5D23 #236B39

split-complementary

#23316B #6B3923 #556B23

monochromatic

#080B17 #141C3D #23316B #324699 #465EC2

Accessibility & contrast

On white

12.19

#23316B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#23316B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23316B

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23316B	#FFFFFF	#000000	##FFFFFF
##23316B	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F396D

Deuteranopia (green-blind)

#00326A

Tritanopia (blue-blind)

#003F49

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #23316b;
/* rgb */ color: rgb(35, 49, 107);
/* oklch */ color: oklch(33.6% 0.102 269.9);

Tailwind

colors: {
  custom: {
    50: '#676896',
    500: '#23316b',
    950: '#000000',
  },
}

SCSS

$custom: #23316b;
$custom-light: #676896;
$custom-dark: #000000;

JSON

{
  "hex": "#23316b",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 107
  },
  "hsl": {
    "h": 228.333,
    "s": 50.704,
    "l": 27.843
  },
  "oklch": {
    "l": 0.33618,
    "c": 0.10236,
    "h": 269.9
  },
  "luminance": 0.03615
}

Semantic roles & 50–950 ramp

primary

#23316B

secondary

#9E8E4B

accent

#BF4EDA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #23316B

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

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