#23387E#23387E

#23387E is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.7% C 0.121 H 267.5°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#23387E
RGB	rgb(35, 56, 126)
HSL	hsl(226, 57%, 32%)
HSV	hsv(226, 72%, 49%)
CMYK	cmyk(72.2%, 55.6%, 0%, 50.6%)
CIE-LAB	lab(25.84, 17.33, -42.18)
CIE-LCH	lch(25.84, 45.60, 292.33°)
OKLab	oklab(36.71% -0.0053 -0.1213)
OKLCH	oklch(36.71% 0.121 267.5)
XYZ	xyz(5.8719, 4.6914, 20.3307)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23387E #7E6923

analogous

#23667E #23387E #3C237E

triadic

#23387E #7E2338 #387E23

tetradic

#23387E #7E2366 #7E6923 #237E3C

square

#23387E #7E2366 #7E6923 #237E3C

split-complementary

#23387E #7E3C23 #667E23

monochromatic

#080D1E #16234E #23387E #304DAE #4E6BCE

Accessibility & contrast

On white

10.83

#23387E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#23387E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23387E

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23387E	#FFFFFF	#000000	##FFFFFF
##23387E	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#054280

Deuteranopia (green-blind)

#00397D

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #23387e;
/* rgb */ color: rgb(35, 56, 126);
/* oklch */ color: oklch(36.7% 0.121 267.5);

Tailwind

colors: {
  custom: {
    50: '#6a6ea4',
    500: '#23387e',
    950: '#000000',
  },
}

SCSS

$custom: #23387e;
$custom-light: #6a6ea4;
$custom-dark: #000000;

JSON

{
  "hex": "#23387e",
  "rgb": {
    "r": 35,
    "g": 56,
    "b": 126
  },
  "hsl": {
    "h": 226.154,
    "s": 56.522,
    "l": 31.569
  },
  "oklch": {
    "l": 0.36705,
    "c": 0.12145,
    "h": 267.5
  },
  "luminance": 0.04692
}

Semantic roles & 50–950 ramp

primary

#23387E

secondary

#B0994C

accent

#BD48E0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #23387E

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

Preview Lab → · Contrast checker → · Palette generator →