#234BB0#234BB0

#234BB0 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.9% C 0.168 H 264.3°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX#234BB0
RGBrgb(35, 75, 176)
HSLhsl(223, 67%, 41%)
HSVhsv(223, 80%, 69%)
CMYKcmyk(80.1%, 57.4%, 0%, 31%)
CIE-LABlab(35.05, 23.94, -57.72)
CIE-LCHlch(35.05, 62.49, 292.53°)
OKLaboklab(44.88% -0.0167 -0.1667)
OKLCHoklch(44.88% 0.168 264.3)
XYZxyz(11.0429, 8.5228, 42.1289)
Luminance0.0852 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#234BB0 #B08823
analogous
#2392B0 #234BB0 #4223B0
triadic
#234BB0 #B0234B #4BB023
tetradic
#234BB0 #B02392 #B08823 #23B042
square
#234BB0 #B02392 #B08823 #23B042
split-complementary
#234BB0 #B04223 #92B023
monochromatic
#0F1F4A #19357D #234BB0 #3966D8 #6C8DE2

Accessibility & contrast

On white

7.76
#234BB0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.70
#234BB0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234BB0
7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##234BB0#FFFFFF#000000##FFFFFF
##234BB01.007.762.707.76
#FFFFFF7.761.0021.001.00
#0000002.7021.001.0021.00
##FFFFFF7.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0059B3
Deuteranopia (green-blind)
#004CAE
Tritanopia (blue-blind)
#006476
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #234bb0;
/* rgb */ color: rgb(35, 75, 176);
/* oklch */ color: oklch(44.9% 0.168 264.3);
Tailwind
colors: {
  custom: {
    50: '#757cc8',
    500: '#234bb0',
    950: '#000000',
  },
}
SCSS
$custom: #234bb0;
$custom-light: #757cc8;
$custom-dark: #000000;
JSON
{
  "hex": "#234bb0",
  "rgb": {
    "r": 35,
    "g": 75,
    "b": 176
  },
  "hsl": {
    "h": 222.979,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.44876,
    "c": 0.16754,
    "h": 264.3
  },
  "luminance": 0.08524
}

Semantic roles & 50–950 ramp

primary
#234BB0
secondary
#C8AC67
accent
#B93EEA
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#0A0913
muted
#7C7B82

Preview Lab

Preview with #234BB0

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

Preview Lab → · Contrast checker → · Palette generator →

#234BB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva