#234B99#234B99

#234B99 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.0% C 0.136 H 262.0°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#234B99
RGB	rgb(35, 75, 153)
HSL	hsl(220, 63%, 37%)
HSV	hsv(220, 77%, 60%)
CMYK	cmyk(77.1%, 51%, 0%, 40%)
CIE-LAB	lab(33.33, 14.92, -46.73)
CIE-LCH	lch(33.33, 49.06, 287.71°)
OKLab	oklab(43.03% -0.0189 -0.1344)
OKLCH	oklch(43.03% 0.136 262)
XYZ	xyz(8.9569, 7.6884, 31.1428)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234B99 #997123

analogous

#238699 #234B99 #362399

triadic

#234B99 #99234B #4B9923

tetradic

#234B99 #992386 #997123 #239936

square

#234B99 #992386 #997123 #239936

split-complementary

#234B99 #993623 #869923

monochromatic

#0C1A35 #183367 #234B99 #2E63CB #5D87DA

Accessibility & contrast

On white

8.27

#234B99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#234B99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234B99

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234B99	#FFFFFF	#000000	##FFFFFF
##234B99	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C549C

Deuteranopia (green-blind)

#004997

Tritanopia (blue-blind)

#005E6A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #234b99;
/* rgb */ color: rgb(35, 75, 153);
/* oklch */ color: oklch(43.0% 0.136 262.0);

Tailwind

colors: {
  custom: {
    50: '#707cb8',
    500: '#234b99',
    950: '#000000',
  },
}

SCSS

$custom: #234b99;
$custom-light: #707cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#234b99",
  "rgb": {
    "r": 35,
    "g": 75,
    "b": 153
  },
  "hsl": {
    "h": 219.661,
    "s": 62.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.43025,
    "c": 0.1357,
    "h": 262
  },
  "luminance": 0.07689
}

Semantic roles & 50–950 ramp

primary

#234B99

secondary

#BE9C59

accent

#AE42E6

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #234B99

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

Preview Lab → · Contrast checker → · Palette generator →