#2378A6#2378A6

#2378A6 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.5% C 0.106 H 237.6°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX#2378A6
RGBrgb(35, 120, 166)
HSLhsl(201, 65%, 39%)
HSVhsv(201, 79%, 65%)
CMYKcmyk(78.9%, 27.7%, 0%, 34.9%)
CIE-LABlab(47.68, -8.60, -31.65)
CIE-LCHlch(47.68, 32.80, 254.79°)
OKLaboklab(54.48% -0.0568 -0.0894)
OKLCHoklch(54.48% 0.106 237.6)
XYZxyz(14.2898, 16.5417, 38.5087)
Luminance0.1654 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2378A6 #A65123
analogous
#23A693 #2378A6 #2336A6
triadic
#2378A6 #A62378 #78A623
tetradic
#2378A6 #9323A6 #A65123 #36A623
square
#2378A6 #9323A6 #A65123 #36A623
split-complementary
#2378A6 #A62336 #A69323
monochromatic
#0E2F41 #185373 #2378A6 #329BD4 #65B4DF

Accessibility & contrast

On white

4.87
#2378A6 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.31
#2378A6 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2378A6
4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2378A6#FFFFFF#000000##FFFFFF
##2378A61.004.874.314.87
#FFFFFF4.871.0021.001.00
#0000004.3121.001.0021.00
##FFFFFF4.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6278A8
Deuteranopia (green-blind)
#506CA5
Tritanopia (blue-blind)
#008488
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #2378a6;
/* rgb */ color: rgb(35, 120, 166);
/* oklch */ color: oklch(54.5% 0.106 237.6);
Tailwind
colors: {
  custom: {
    50: '#739ec0',
    500: '#2378a6',
    950: '#000000',
  },
}
SCSS
$custom: #2378a6;
$custom-light: #739ec0;
$custom-dark: #000000;
JSON
{
  "hex": "#2378a6",
  "rgb": {
    "r": 35,
    "g": 120,
    "b": 166
  },
  "hsl": {
    "h": 201.069,
    "s": 65.174,
    "l": 39.412
  },
  "oklch": {
    "l": 0.54482,
    "c": 0.10593,
    "h": 237.6
  },
  "luminance": 0.16543
}

Semantic roles & 50–950 ramp

primary
#2378A6
secondary
#C48461
accent
#7B40E8
background
#F7F9FB
surface
#EEF2F7
border
#C9CCD0
text
#090E12
muted
#7B7E81

Preview Lab

Preview with #2378A6

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

Preview Lab → · Contrast checker → · Palette generator →

#2378A6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva