#234DA1#234DA1

#234DA1 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.1% C 0.144 H 262.2°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#234DA1
RGB	rgb(35, 77, 161)
HSL	hsl(220, 64%, 38%)
HSV	hsv(220, 78%, 63%)
CMYK	cmyk(78.3%, 52.2%, 0%, 36.9%)
CIE-LAB	lab(34.47, 16.73, -49.70)
CIE-LCH	lch(34.47, 52.44, 288.60°)
OKLab	oklab(44.08% -0.0195 -0.1431)
OKLCH	oklch(44.08% 0.144 262.2)
XYZ	xyz(9.7777, 8.2372, 34.7859)
Luminance	0.0824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234DA1 #A17723

analogous

#238CA1 #234DA1 #3823A1

triadic

#234DA1 #A1234D #4DA123

tetradic

#234DA1 #A1238C #A17723 #23A138

square

#234DA1 #A1238C #A17723 #23A138

split-complementary

#234DA1 #A13823 #8CA123

monochromatic

#0D1D3C #18356F #234DA1 #2F66D2 #628BDD

Accessibility & contrast

On white

7.93

#234DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#234DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234DA1

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234DA1	#FFFFFF	#000000	##FFFFFF
##234DA1	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1557A4

Deuteranopia (green-blind)

#004C9F

Tritanopia (blue-blind)

#00616F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #234da1;
/* rgb */ color: rgb(35, 77, 161);
/* oklch */ color: oklch(44.1% 0.144 262.2);

Tailwind

colors: {
  custom: {
    50: '#727ebd',
    500: '#234da1',
    950: '#000000',
  },
}

SCSS

$custom: #234da1;
$custom-light: #727ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#234da1",
  "rgb": {
    "r": 35,
    "g": 77,
    "b": 161
  },
  "hsl": {
    "h": 220,
    "s": 64.286,
    "l": 38.431
  },
  "oklch": {
    "l": 0.44082,
    "c": 0.14441,
    "h": 262.2
  },
  "luminance": 0.08238
}

Semantic roles & 50–950 ramp

primary

#234DA1

secondary

#C2A15E

accent

#B041E7

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #234DA1

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

Preview Lab → · Contrast checker → · Palette generator →