#234CA0#234CA0

#234CA0 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.8% C 0.144 H 262.5°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#234CA0
RGB	rgb(35, 76, 160)
HSL	hsl(220, 64%, 38%)
HSV	hsv(220, 78%, 63%)
CMYK	cmyk(78.1%, 52.5%, 0%, 37.3%)
CIE-LAB	lab(34.11, 17.01, -49.68)
CIE-LCH	lch(34.11, 52.51, 288.90°)
OKLab	oklab(43.79% -0.0188 -0.143)
OKLCH	oklch(43.79% 0.144 262.5)
XYZ	xyz(9.6205, 8.0632, 34.3002)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234CA0 #A07723

analogous

#238AA0 #234CA0 #3823A0

triadic

#234CA0 #A0234C #4CA023

tetradic

#234CA0 #A0238A #A07723 #23A038

square

#234CA0 #A0238A #A07723 #23A038

split-complementary

#234CA0 #A03823 #8AA023

monochromatic

#0D1C3C #18346E #234CA0 #2F64D1 #6189DC

Accessibility & contrast

On white

8.04

#234CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#234CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234CA0

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234CA0	#FFFFFF	#000000	##FFFFFF
##234CA0	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1356A3

Deuteranopia (green-blind)

#004B9E

Tritanopia (blue-blind)

#00606E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #234ca0;
/* rgb */ color: rgb(35, 76, 160);
/* oklch */ color: oklch(43.8% 0.144 262.5);

Tailwind

colors: {
  custom: {
    50: '#717dbd',
    500: '#234ca0',
    950: '#000000',
  },
}

SCSS

$custom: #234ca0;
$custom-light: #717dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#234ca0",
  "rgb": {
    "r": 35,
    "g": 76,
    "b": 160
  },
  "hsl": {
    "h": 220.32,
    "s": 64.103,
    "l": 38.235
  },
  "oklch": {
    "l": 0.43786,
    "c": 0.14427,
    "h": 262.5
  },
  "luminance": 0.08064
}

Semantic roles & 50–950 ramp

primary

#234CA0

secondary

#C1A15D

accent

#B141E7

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #234CA0

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

Preview Lab → · Contrast checker → · Palette generator →