#234CA1#234CA1

#234CA1 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.9% C 0.146 H 262.6°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#234CA1
RGB	rgb(35, 76, 161)
HSL	hsl(220, 64%, 38%)
HSV	hsv(220, 78%, 63%)
CMYK	cmyk(78.3%, 52.8%, 0%, 36.9%)
CIE-LAB	lab(34.19, 17.40, -50.16)
CIE-LCH	lch(34.19, 53.10, 289.13°)
OKLab	oklab(43.86% -0.0187 -0.1445)
OKLCH	oklch(43.86% 0.146 262.6)
XYZ	xyz(9.7083, 8.0983, 34.7628)
Luminance	0.0810 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234CA1 #A17823

analogous

#238BA1 #234CA1 #3923A1

triadic

#234CA1 #A1234C #4CA123

tetradic

#234CA1 #A1238B #A17823 #23A139

square

#234CA1 #A1238B #A17823 #23A139

split-complementary

#234CA1 #A13923 #8BA123

monochromatic

#0D1D3C #18346F #234CA1 #2F64D2 #628ADD

Accessibility & contrast

On white

8.02

#234CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#234CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234CA1

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234CA1	#FFFFFF	#000000	##FFFFFF
##234CA1	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1156A4

Deuteranopia (green-blind)

#004B9F

Tritanopia (blue-blind)

#00616F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #234ca1;
/* rgb */ color: rgb(35, 76, 161);
/* oklch */ color: oklch(43.9% 0.146 262.6);

Tailwind

colors: {
  custom: {
    50: '#727dbd',
    500: '#234ca1',
    950: '#000000',
  },
}

SCSS

$custom: #234ca1;
$custom-light: #727dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#234ca1",
  "rgb": {
    "r": 35,
    "g": 76,
    "b": 161
  },
  "hsl": {
    "h": 220.476,
    "s": 64.286,
    "l": 38.431
  },
  "oklch": {
    "l": 0.43865,
    "c": 0.14567,
    "h": 262.6
  },
  "luminance": 0.08099
}

Semantic roles & 50–950 ramp

primary

#234CA1

secondary

#C2A15E

accent

#B141E7

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #234CA1

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

Preview Lab → · Contrast checker → · Palette generator →