#234D9A#234D9A

#234D9A is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.5% C 0.135 H 261.3°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#234D9A
RGB	rgb(35, 77, 154)
HSL	hsl(219, 63%, 37%)
HSV	hsv(219, 77%, 60%)
CMYK	cmyk(77.3%, 50%, 0%, 39.6%)
CIE-LAB	lab(33.98, 13.97, -46.28)
CIE-LCH	lch(33.98, 48.35, 286.79°)
OKLab	oklab(43.55% -0.0204 -0.133)
OKLCH	oklch(43.55% 0.135 261.3)
XYZ	xyz(9.1776, 7.9971, 31.6255)
Luminance	0.0800 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234D9A #9A7023

analogous

#23889A #234D9A #35239A

triadic

#234D9A #9A234D #4D9A23

tetradic

#234D9A #9A2388 #9A7023 #239A35

square

#234D9A #9A2388 #9A7023 #239A35

split-complementary

#234D9A #9A3523 #889A23

monochromatic

#0C1B36 #183468 #234D9A #2E66CC #5D89DA

Accessibility & contrast

On white

8.08

#234D9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#234D9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234D9A

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234D9A	#FFFFFF	#000000	##FFFFFF
##234D9A	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20569D

Deuteranopia (green-blind)

#004B98

Tritanopia (blue-blind)

#005F6C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #234d9a;
/* rgb */ color: rgb(35, 77, 154);
/* oklch */ color: oklch(43.5% 0.135 261.3);

Tailwind

colors: {
  custom: {
    50: '#707eb8',
    500: '#234d9a',
    950: '#000000',
  },
}

SCSS

$custom: #234d9a;
$custom-light: #707eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#234d9a",
  "rgb": {
    "r": 35,
    "g": 77,
    "b": 154
  },
  "hsl": {
    "h": 218.824,
    "s": 62.963,
    "l": 37.059
  },
  "oklch": {
    "l": 0.43546,
    "c": 0.13458,
    "h": 261.3
  },
  "luminance": 0.07998
}

Semantic roles & 50–950 ramp

primary

#234D9A

secondary

#BF9B5A

accent

#AC42E6

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #234D9A

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

Preview Lab → · Contrast checker → · Palette generator →