#234A99#234A99

#234A99 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 42.8% C 0.137 H 262.4°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#234A99
RGB	rgb(35, 74, 153)
HSL	hsl(220, 63%, 37%)
HSV	hsv(220, 77%, 60%)
CMYK	cmyk(77.1%, 51.6%, 0%, 40%)
CIE-LAB	lab(33.04, 15.60, -47.20)
CIE-LCH	lch(33.04, 49.71, 288.29°)
OKLab	oklab(42.8% -0.0181 -0.1358)
OKLCH	oklch(42.8% 0.137 262.4)
XYZ	xyz(8.8896, 7.5538, 31.1203)
Luminance	0.0756 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234A99 #997223

analogous

#238599 #234A99 #372399

triadic

#234A99 #99234A #4A9923

tetradic

#234A99 #992385 #997223 #239937

square

#234A99 #992385 #997223 #239937

split-complementary

#234A99 #993723 #859923

monochromatic

#0C1A35 #183267 #234A99 #2E62CB #5D86DA

Accessibility & contrast

On white

8.36

#234A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#234A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234A99

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234A99	#FFFFFF	#000000	##FFFFFF
##234A99	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18539C

Deuteranopia (green-blind)

#004997

Tritanopia (blue-blind)

#005D6A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #234a99;
/* rgb */ color: rgb(35, 74, 153);
/* oklch */ color: oklch(42.8% 0.137 262.4);

Tailwind

colors: {
  custom: {
    50: '#707bb8',
    500: '#234a99',
    950: '#000000',
  },
}

SCSS

$custom: #234a99;
$custom-light: #707bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#234a99",
  "rgb": {
    "r": 35,
    "g": 74,
    "b": 153
  },
  "hsl": {
    "h": 220.169,
    "s": 62.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.42804,
    "c": 0.13697,
    "h": 262.4
  },
  "luminance": 0.07555
}

Semantic roles & 50–950 ramp

primary

#234A99

secondary

#BE9D59

accent

#B042E6

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #234A99

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

Preview Lab → · Contrast checker → · Palette generator →