#234AA4#234AA4

#234AA4 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.7% C 0.152 H 263.6°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#234AA4
RGB	rgb(35, 74, 164)
HSL	hsl(222, 65%, 39%)
HSV	hsv(222, 79%, 64%)
CMYK	cmyk(78.7%, 54.9%, 0%, 35.7%)
CIE-LAB	lab(33.85, 19.93, -52.52)
CIE-LCH	lch(33.85, 56.17, 290.78°)
OKLab	oklab(43.68% -0.0169 -0.1514)
OKLCH	oklch(43.68% 0.152 263.6)
XYZ	xyz(9.8404, 7.9341, 36.1276)
Luminance	0.0794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234AA4 #A47D23

analogous

#238BA4 #234AA4 #3C23A4

triadic

#234AA4 #A4234A #4AA423

tetradic

#234AA4 #A4238B #A47D23 #23A43C

square

#234AA4 #A4238B #A47D23 #23A43C

split-complementary

#234AA4 #A43C23 #8BA423

monochromatic

#0D1C3F #183372 #234AA4 #3162D3 #6489DE

Accessibility & contrast

On white

8.12

#234AA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#234AA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234AA4

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234AA4	#FFFFFF	#000000	##FFFFFF
##234AA4	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056A7

Deuteranopia (green-blind)

#004AA2

Tritanopia (blue-blind)

#00606F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #234aa4;
/* rgb */ color: rgb(35, 74, 164);
/* oklch */ color: oklch(43.7% 0.152 263.6);

Tailwind

colors: {
  custom: {
    50: '#727bc0',
    500: '#234aa4',
    950: '#000000',
  },
}

SCSS

$custom: #234aa4;
$custom-light: #727bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#234aa4",
  "rgb": {
    "r": 35,
    "g": 74,
    "b": 164
  },
  "hsl": {
    "h": 221.86,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.43676,
    "c": 0.15237,
    "h": 263.6
  },
  "luminance": 0.07935
}

Semantic roles & 50–950 ramp

primary

#234AA4

secondary

#C3A560

accent

#B540E8

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #234AA4

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

Preview Lab → · Contrast checker → · Palette generator →