#233BD4#233BD4

#233BD4 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.4% C 0.231 H 267.5°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX#233BD4
RGBrgb(35, 59, 212)
HSLhsl(232, 72%, 48%)
HSVhsv(232, 83%, 83%)
CMYKcmyk(83.5%, 72.2%, 0%, 16.9%)
CIE-LABlab(34.47, 47.36, -79.74)
CIE-LCHlch(34.47, 92.75, 300.71°)
OKLaboklab(45.45% -0.0103 -0.2312)
OKLCHoklch(45.45% 0.231 267.5)
XYZxyz(14.1366, 8.2370, 63.1194)
Luminance0.0824 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#233BD4 #D4BC23
analogous
#2394D4 #233BD4 #6323D4
triadic
#233BD4 #D4233B #3BD423
tetradic
#233BD4 #D42394 #D4BC23 #23D463
square
#233BD4 #D42394 #D4BC23 #23D463
split-complementary
#233BD4 #D46323 #94D423
monochromatic
#121E6B #1A2C9F #233BD4 #5265E2 #8694EB

Accessibility & contrast

On white

7.93
#233BD4 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.65
#233BD4 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233BD4
7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##233BD4#FFFFFF#000000##FFFFFF
##233BD41.007.932.657.93
#FFFFFF7.931.0021.001.00
#0000002.6521.001.0021.00
##FFFFFF7.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005AD9
Deuteranopia (green-blind)
#0048D1
Tritanopia (blue-blind)
#006784
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #233bd4;
/* rgb */ color: rgb(35, 59, 212);
/* oklch */ color: oklch(45.4% 0.231 267.5);
Tailwind
colors: {
  custom: {
    50: '#8072e3',
    500: '#233bd4',
    950: '#000000',
  },
}
SCSS
$custom: #233bd4;
$custom-light: #8072e3;
$custom-dark: #000000;
JSON
{
  "hex": "#233bd4",
  "rgb": {
    "r": 35,
    "g": 59,
    "b": 212
  },
  "hsl": {
    "h": 231.864,
    "s": 71.66,
    "l": 48.431
  },
  "oklch": {
    "l": 0.45448,
    "c": 0.23139,
    "h": 267.5
  },
  "luminance": 0.08239
}

Semantic roles & 50–950 ramp

primary
#233BD4
secondary
#D4C97E
accent
#D639EE
background
#F8F6FE
surface
#F0ECFC
border
#CBC7D5
text
#0C0816
muted
#7D7B84

Preview Lab

Preview with #233BD4

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

Preview Lab → · Contrast checker → · Palette generator →

#233BD4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva