#234D9F#234D9F

#234D9F is a dark, vivid blue. Relative luminance 0.082; OKLCH L 43.9% C 0.142 H 262.0°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#234D9F
RGB	rgb(35, 77, 159)
HSL	hsl(220, 64%, 38%)
HSV	hsv(220, 78%, 62%)
CMYK	cmyk(78%, 51.6%, 0%, 37.6%)
CIE-LAB	lab(34.33, 15.94, -48.73)
CIE-LCH	lch(34.33, 51.27, 288.11°)
OKLab	oklab(43.93% -0.0197 -0.1402)
OKLCH	oklch(43.93% 0.142 262)
XYZ	xyz(9.6028, 8.1672, 33.8645)
Luminance	0.0817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234D9F #9F7523

analogous

#238B9F #234D9F #37239F

triadic

#234D9F #9F234D #4D9F23

tetradic

#234D9F #9F238B #9F7523 #239F37

square

#234D9F #9F238B #9F7523 #239F37

split-complementary

#234D9F #9F3723 #8B9F23

monochromatic

#0D1C3B #18356D #234D9F #2E65D1 #608ADC

Accessibility & contrast

On white

7.97

#234D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#234D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234D9F

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234D9F	#FFFFFF	#000000	##FFFFFF
##234D9F	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1957A2

Deuteranopia (green-blind)

#004B9D

Tritanopia (blue-blind)

#00616E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #234d9f;
/* rgb */ color: rgb(35, 77, 159);
/* oklch */ color: oklch(43.9% 0.142 262.0);

Tailwind

colors: {
  custom: {
    50: '#717ebc',
    500: '#234d9f',
    950: '#000000',
  },
}

SCSS

$custom: #234d9f;
$custom-light: #717ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#234d9f",
  "rgb": {
    "r": 35,
    "g": 77,
    "b": 159
  },
  "hsl": {
    "h": 219.677,
    "s": 63.918,
    "l": 38.039
  },
  "oklch": {
    "l": 0.43927,
    "c": 0.14161,
    "h": 262
  },
  "luminance": 0.08168
}

Semantic roles & 50–950 ramp

primary

#234D9F

secondary

#C19F5D

accent

#AF41E7

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #234D9F

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

Preview Lab → · Contrast checker → · Palette generator →