#233EB4#233EB4

#233EB4 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.7% C 0.189 H 267.3°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX#233EB4
RGBrgb(35, 62, 180)
HSLhsl(229, 67%, 42%)
HSVhsv(229, 81%, 71%)
CMYKcmyk(80.6%, 65.6%, 0%, 29.4%)
CIE-LABlab(32.03, 34.05, -65.04)
CIE-LCHlch(32.03, 73.41, 297.63°)
OKLaboklab(42.74% -0.009 -0.1883)
OKLCHoklch(42.74% 0.189 267.3)
XYZxyz(10.6511, 7.0966, 43.9796)
Luminance0.0710 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#233EB4 #B49923
analogous
#2386B4 #233EB4 #5123B4
triadic
#233EB4 #B4233E #3EB423
tetradic
#233EB4 #B42386 #B49923 #23B451
square
#233EB4 #B42386 #B49923 #23B451
split-complementary
#233EB4 #B45123 #86B423
monochromatic
#0F1B4E #192C81 #233EB4 #3B59D9 #6E84E3

Accessibility & contrast

On white

8.68
#233EB4 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.42
#233EB4 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233EB4
8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##233EB4#FFFFFF#000000##FFFFFF
##233EB41.008.682.428.68
#FFFFFF8.681.0021.001.00
#0000002.4221.001.0021.00
##FFFFFF8.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0052B8
Deuteranopia (green-blind)
#0045B2
Tritanopia (blue-blind)
#005E73
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #233eb4;
/* rgb */ color: rgb(35, 62, 180);
/* oklch */ color: oklch(42.7% 0.189 267.3);
Tailwind
colors: {
  custom: {
    50: '#7773cc',
    500: '#233eb4',
    950: '#000000',
  },
}
SCSS
$custom: #233eb4;
$custom-light: #7773cc;
$custom-dark: #000000;
JSON
{
  "hex": "#233eb4",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 180
  },
  "hsl": {
    "h": 228.828,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.42735,
    "c": 0.18852,
    "h": 267.3
  },
  "luminance": 0.07098
}

Semantic roles & 50–950 ramp

primary
#233EB4
secondary
#C9B869
accent
#CA3DEA
background
#F8F6FC
surface
#EFECF9
border
#CAC7D2
text
#0A0813
muted
#7C7B82

Preview Lab

Preview with #233EB4

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

Preview Lab → · Contrast checker → · Palette generator →

#233EB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva