#234D9E#234D9E

#234D9E is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.9% C 0.140 H 261.8°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#234D9E
RGB	rgb(35, 77, 158)
HSL	hsl(220, 64%, 38%)
HSV	hsv(220, 78%, 62%)
CMYK	cmyk(77.8%, 51.3%, 0%, 38%)
CIE-LAB	lab(34.26, 15.55, -48.25)
CIE-LCH	lch(34.26, 50.69, 287.86°)
OKLab	oklab(43.85% -0.0199 -0.1388)
OKLCH	oklch(43.85% 0.14 261.8)
XYZ	xyz(9.5163, 8.1326, 33.4093)
Luminance	0.0813 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234D9E #9E7423

analogous

#238B9E #234D9E #36239E

triadic

#234D9E #9E234D #4D9E23

tetradic

#234D9E #9E238B #9E7423 #239E36

square

#234D9E #9E238B #9E7423 #239E36

split-complementary

#234D9E #9E3623 #8B9E23

monochromatic

#0D1C3A #18356C #234D9E #2E65D0 #608ADC

Accessibility & contrast

On white

7.99

#234D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#234D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234D9E

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234D9E	#FFFFFF	#000000	##FFFFFF
##234D9E	1.00	7.99	2.63	7.99
#FFFFFF	7.99	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A57A1

Deuteranopia (green-blind)

#004B9C

Tritanopia (blue-blind)

#00606E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #234d9e;
/* rgb */ color: rgb(35, 77, 158);
/* oklch */ color: oklch(43.9% 0.140 261.8);

Tailwind

colors: {
  custom: {
    50: '#717ebb',
    500: '#234d9e',
    950: '#000000',
  },
}

SCSS

$custom: #234d9e;
$custom-light: #717ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#234d9e",
  "rgb": {
    "r": 35,
    "g": 77,
    "b": 158
  },
  "hsl": {
    "h": 219.512,
    "s": 63.731,
    "l": 37.843
  },
  "oklch": {
    "l": 0.4385,
    "c": 0.14022,
    "h": 261.8
  },
  "luminance": 0.08134
}

Semantic roles & 50–950 ramp

primary

#234D9E

secondary

#C19E5C

accent

#AE41E7

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #234D9E

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

Preview Lab → · Contrast checker → · Palette generator →