#234C99#234C99

#234C99 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.2% C 0.134 H 261.6°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#234C99
RGB	rgb(35, 76, 153)
HSL	hsl(219, 63%, 37%)
HSV	hsv(219, 77%, 60%)
CMYK	cmyk(77.1%, 50.3%, 0%, 40%)
CIE-LAB	lab(33.62, 14.25, -46.26)
CIE-LCH	lch(33.62, 48.41, 287.12°)
OKLab	oklab(43.25% -0.0197 -0.133)
OKLCH	oklch(43.25% 0.134 261.6)
XYZ	xyz(9.0253, 7.8251, 31.1655)
Luminance	0.0783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234C99 #997023

analogous

#238799 #234C99 #352399

triadic

#234C99 #99234C #4C9923

tetradic

#234C99 #992387 #997023 #239935

square

#234C99 #992387 #997023 #239935

split-complementary

#234C99 #993523 #879923

monochromatic

#0C1B35 #183367 #234C99 #2E65CB #5D88DA

Accessibility & contrast

On white

8.19

#234C99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#234C99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234C99

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234C99	#FFFFFF	#000000	##FFFFFF
##234C99	1.00	8.19	2.57	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F559C

Deuteranopia (green-blind)

#004A97

Tritanopia (blue-blind)

#005E6B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #234c99;
/* rgb */ color: rgb(35, 76, 153);
/* oklch */ color: oklch(43.2% 0.134 261.6);

Tailwind

colors: {
  custom: {
    50: '#707db8',
    500: '#234c99',
    950: '#000000',
  },
}

SCSS

$custom: #234c99;
$custom-light: #707db8;
$custom-dark: #000000;

JSON

{
  "hex": "#234c99",
  "rgb": {
    "r": 35,
    "g": 76,
    "b": 153
  },
  "hsl": {
    "h": 219.153,
    "s": 62.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.43248,
    "c": 0.13444,
    "h": 261.6
  },
  "luminance": 0.07826
}

Semantic roles & 50–950 ramp

primary

#234C99

secondary

#BE9B59

accent

#AD42E6

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #234C99

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

Preview Lab → · Contrast checker → · Palette generator →