#2381BD#2381BD

#2381BD is a mid, vivid cyan. Relative luminance 0.197; OKLCH L 57.9% C 0.125 H 242.4°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX#2381BD
RGBrgb(35, 129, 189)
HSLhsl(203, 69%, 44%)
HSVhsv(203, 81%, 74%)
CMYKcmyk(81.5%, 31.7%, 0%, 25.9%)
CIE-LABlab(51.53, -5.42, -38.90)
CIE-LCHlch(51.53, 39.27, 262.07°)
OKLaboklab(57.9% -0.0577 -0.1104)
OKLCHoklch(57.9% 0.125 242.4)
XYZxyz(17.7251, 19.7298, 51.0083)
Luminance0.1973 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2381BD #BD5F23
analogous
#23BDAC #2381BD #2334BD
triadic
#2381BD #BD2381 #81BD23
tetradic
#2381BD #AC23BD #BD5F23 #34BD23
square
#2381BD #AC23BD #BD5F23 #34BD23
split-complementary
#2381BD #BD2334 #BDAC23
monochromatic
#103B56 #195E89 #2381BD #41A0DC #75BAE5

Accessibility & contrast

On white

4.25
#2381BD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.95
#2381BD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2381BD
4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2381BD#FFFFFF#000000##000000
##2381BD1.004.254.954.95
#FFFFFF4.251.0021.0021.00
#0000004.9521.001.001.00
##0000004.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6582C0
Deuteranopia (green-blind)
#4F75BC
Tritanopia (blue-blind)
#009096
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #2381bd;
/* rgb */ color: rgb(35, 129, 189);
/* oklch */ color: oklch(57.9% 0.125 242.4);
Tailwind
colors: {
  custom: {
    50: '#77a5d1',
    500: '#2381bd',
    950: '#000000',
  },
}
SCSS
$custom: #2381bd;
$custom-light: #77a5d1;
$custom-dark: #000000;
JSON
{
  "hex": "#2381bd",
  "rgb": {
    "r": 35,
    "g": 129,
    "b": 189
  },
  "hsl": {
    "h": 203.377,
    "s": 68.75,
    "l": 43.922
  },
  "oklch": {
    "l": 0.57902,
    "c": 0.12458,
    "h": 242.4
  },
  "luminance": 0.19732
}

Semantic roles & 50–950 ramp

primary
#2381BD
secondary
#CD946F
accent
#813CEC
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0A0F14
muted
#7C7F82

Preview Lab

Preview with #2381BD

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

Preview Lab → · Contrast checker → · Palette generator →

#2381BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva