#234D99#234D99

#234D99 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.5% C 0.133 H 261.1°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#234D99
RGB	rgb(35, 77, 153)
HSL	hsl(219, 63%, 37%)
HSV	hsv(219, 77%, 60%)
CMYK	cmyk(77.1%, 49.7%, 0%, 40%)
CIE-LAB	lab(33.91, 13.57, -45.79)
CIE-LCH	lch(33.91, 47.76, 286.51°)
OKLab	oklab(43.47% -0.0206 -0.1316)
OKLCH	oklch(43.47% 0.133 261.1)
XYZ	xyz(9.0947, 7.9640, 31.1887)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234D99 #996F23

analogous

#238899 #234D99 #342399

triadic

#234D99 #99234D #4D9923

tetradic

#234D99 #992388 #996F23 #239934

square

#234D99 #992388 #996F23 #239934

split-complementary

#234D99 #993423 #889923

monochromatic

#0C1B35 #183467 #234D99 #2E66CB #5D89DA

Accessibility & contrast

On white

8.10

#234D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#234D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234D99

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234D99	#FFFFFF	#000000	##FFFFFF
##234D99	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21559C

Deuteranopia (green-blind)

#004B97

Tritanopia (blue-blind)

#005F6B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #234d99;
/* rgb */ color: rgb(35, 77, 153);
/* oklch */ color: oklch(43.5% 0.133 261.1);

Tailwind

colors: {
  custom: {
    50: '#707eb8',
    500: '#234d99',
    950: '#000000',
  },
}

SCSS

$custom: #234d99;
$custom-light: #707eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#234d99",
  "rgb": {
    "r": 35,
    "g": 77,
    "b": 153
  },
  "hsl": {
    "h": 218.644,
    "s": 62.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.43471,
    "c": 0.13317,
    "h": 261.1
  },
  "luminance": 0.07965
}

Semantic roles & 50–950 ramp

primary

#234D99

secondary

#BE9A59

accent

#AC42E6

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #234D99

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

Preview Lab → · Contrast checker → · Palette generator →