#23337F#23337F

#23337F is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.7% C 0.130 H 269.6°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#23337F
RGB	rgb(35, 51, 127)
HSL	hsl(230, 57%, 32%)
HSV	hsv(230, 72%, 50%)
CMYK	cmyk(72.4%, 59.8%, 0%, 50.2%)
CIE-LAB	lab(24.50, 21.20, -44.97)
CIE-LCH	lch(24.50, 49.72, 295.24°)
OKLab	oklab(35.73% -0.0009 -0.1296)
OKLCH	oklch(35.73% 0.13 269.6)
XYZ	xyz(5.7064, 4.2567, 20.5955)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23337F #7F6F23

analogous

#23617F #23337F #41237F

triadic

#23337F #7F2333 #337F23

tetradic

#23337F #7F2361 #7F6F23 #237F41

square

#23337F #7F2361 #7F6F23 #237F41

split-complementary

#23337F #7F4123 #617F23

monochromatic

#090C1F #16204F #23337F #3046AF #4E64CE

Accessibility & contrast

On white

11.34

#23337F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#23337F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23337F

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23337F	#FFFFFF	#000000	##FFFFFF
##23337F	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F82

Deuteranopia (green-blind)

#00367D

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #23337f;
/* rgb */ color: rgb(35, 51, 127);
/* oklch */ color: oklch(35.7% 0.130 269.6);

Tailwind

colors: {
  custom: {
    50: '#6b6aa5',
    500: '#23337f',
    950: '#000000',
  },
}

SCSS

$custom: #23337f;
$custom-light: #6b6aa5;
$custom-dark: #000000;

JSON

{
  "hex": "#23337f",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 127
  },
  "hsl": {
    "h": 229.565,
    "s": 56.79,
    "l": 31.765
  },
  "oklch": {
    "l": 0.35729,
    "c": 0.12962,
    "h": 269.6
  },
  "luminance": 0.04257
}

Semantic roles & 50–950 ramp

primary

#23337F

secondary

#B1A04C

accent

#C648E0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #23337F

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

Preview Lab → · Contrast checker → · Palette generator →