#234AA0#234AA0

#234AA0 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.4% C 0.147 H 263.2°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX#234AA0
RGBrgb(35, 74, 160)
HSLhsl(221, 64%, 38%)
HSVhsv(221, 78%, 63%)
CMYKcmyk(78.1%, 53.7%, 0%, 37.3%)
CIE-LABlab(33.55, 18.36, -50.60)
CIE-LCHlch(33.55, 53.83, 289.94°)
OKLaboklab(43.35% -0.0173 -0.1458)
OKLCHoklch(43.35% 0.147 263.2)
XYZxyz(9.4848, 7.7919, 34.2550)
Luminance0.0779 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#234AA0 #A07923
analogous
#2388A0 #234AA0 #3A23A0
triadic
#234AA0 #A0234A #4AA023
tetradic
#234AA0 #A02388 #A07923 #23A03A
square
#234AA0 #A02388 #A07923 #23A03A
split-complementary
#234AA0 #A03A23 #88A023
monochromatic
#0D1C3C #18336E #234AA0 #2F62D1 #6187DC

Accessibility & contrast

On white

8.21
#234AA0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.56
#234AA0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234AA0
8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##234AA0#FFFFFF#000000##FFFFFF
##234AA01.008.212.568.21
#FFFFFF8.211.0021.001.00
#0000002.5621.001.0021.00
##FFFFFF8.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0955A3
Deuteranopia (green-blind)
#00499E
Tritanopia (blue-blind)
#005F6D
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #234aa0;
/* rgb */ color: rgb(35, 74, 160);
/* oklch */ color: oklch(43.4% 0.147 263.2);
Tailwind
colors: {
  custom: {
    50: '#727bbd',
    500: '#234aa0',
    950: '#000000',
  },
}
SCSS
$custom: #234aa0;
$custom-light: #727bbd;
$custom-dark: #000000;
JSON
{
  "hex": "#234aa0",
  "rgb": {
    "r": 35,
    "g": 74,
    "b": 160
  },
  "hsl": {
    "h": 221.28,
    "s": 64.103,
    "l": 38.235
  },
  "oklch": {
    "l": 0.43354,
    "c": 0.14681,
    "h": 263.2
  },
  "luminance": 0.07793
}

Semantic roles & 50–950 ramp

primary
#234AA0
secondary
#C1A25D
accent
#B341E7
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090912
muted
#7B7B81

Preview Lab

Preview with #234AA0

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

Preview Lab → · Contrast checker → · Palette generator →

#234AA0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva