#23279E#23279E

#23279E is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.7% C 0.186 H 271.3°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#23279E
RGB	rgb(35, 39, 158)
HSL	hsl(238, 64%, 38%)
HSV	hsv(238, 78%, 62%)
CMYK	cmyk(77.8%, 75.3%, 0%, 38%)
CIE-LAB	lab(24.56, 40.45, -64.09)
CIE-LCH	lch(24.56, 75.78, 302.26°)
OKLab	oklab(36.68% 0.0041 -0.1855)
OKLCH	oklch(36.68% 0.186 271.3)
XYZ	xyz(7.5881, 4.2762, 32.7666)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23279E #9E9A23

analogous

#23649E #23279E #5D239E

triadic

#23279E #9E2327 #279E23

tetradic

#23279E #9E2364 #9E9A23 #239E5D

square

#23279E #9E2364 #9E9A23 #239E5D

split-complementary

#23279E #9E5D23 #649E23

monochromatic

#0D0E3A #181B6C #23279E #2E33D0 #6064DC

Accessibility & contrast

On white

11.32

#23279E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#23279E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23279E

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23279E	#FFFFFF	#000000	##FFFFFF
##23279E	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A1

Deuteranopia (green-blind)

#00349C

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #23279e;
/* rgb */ color: rgb(35, 39, 158);
/* oklch */ color: oklch(36.7% 0.186 271.3);

Tailwind

colors: {
  custom: {
    50: '#7463bc',
    500: '#23279e',
    950: '#000000',
  },
}

SCSS

$custom: #23279e;
$custom-light: #7463bc;
$custom-dark: #000000;

JSON

{
  "hex": "#23279e",
  "rgb": {
    "r": 35,
    "g": 39,
    "b": 158
  },
  "hsl": {
    "h": 238.049,
    "s": 63.731,
    "l": 37.843
  },
  "oklch": {
    "l": 0.36677,
    "c": 0.18559,
    "h": 271.3
  },
  "luminance": 0.04277
}

Semantic roles & 50–950 ramp

primary

#23279E

secondary

#C1BD5C

accent

#E141E7

background

#F7F5FB

surface

#EEEAF7

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #23279E

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

Preview Lab → · Contrast checker → · Palette generator →