#4C91DB#4C91DB

#4C91DB is a light, vivid cyan. Relative luminance 0.269; OKLCH L 64.5% C 0.132 H 252.0°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX#4C91DB
RGBrgb(76, 145, 219)
HSLhsl(211, 67%, 58%)
HSVhsv(211, 65%, 86%)
CMYKcmyk(65.3%, 33.8%, 0%, 14.1%)
CIE-LABlab(58.88, 1.34, -44.19)
CIE-LCHlch(58.88, 44.21, 271.74°)
OKLaboklab(64.51% -0.0408 -0.1252)
OKLCHoklch(64.51% 0.132 252)
XYZxyz(25.8874, 26.8992, 70.8319)
Luminance0.2690 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4C91DB #DB964C
analogous
#4CD9DB #4C91DB #4E4CDB
triadic
#4C91DB #DB4C91 #91DB4C
tetradic
#4C91DB #DB4CD9 #DB964C #4CDB4E
square
#4C91DB #DB4CD9 #DB964C #4CDB4E
split-complementary
#4C91DB #DB4E4C #D9DB4C
monochromatic
#1D5490 #2772C3 #4C91DB #7FB0E5 #B2D0EF

Accessibility & contrast

On white

3.29
#4C91DB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.38
#4C91DB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C91DB
6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4C91DB#FFFFFF#000000##000000
##4C91DB1.003.296.386.38
#FFFFFF3.291.0021.0021.00
#0000006.3821.001.001.00
##0000006.3821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7195DE
Deuteranopia (green-blind)
#5D88DA
Tritanopia (blue-blind)
#00A2AC
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #4c91db;
/* rgb */ color: rgb(76, 145, 219);
/* oklch */ color: oklch(64.5% 0.132 252.0);
Tailwind
colors: {
  custom: {
    50: '#8cb0e6',
    500: '#4c91db',
    950: '#000000',
  },
}
SCSS
$custom: #4c91db;
$custom-light: #8cb0e6;
$custom-dark: #000000;
JSON
{
  "hex": "#4c91db",
  "rgb": {
    "r": 76,
    "g": 145,
    "b": 219
  },
  "hsl": {
    "h": 211.049,
    "s": 66.512,
    "l": 57.843
  },
  "oklch": {
    "l": 0.64512,
    "c": 0.1317,
    "h": 252
  },
  "luminance": 0.26902
}

Semantic roles & 50–950 ramp

primary
#4C91DB
secondary
#DEC2A5
accent
#973EE9
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #4C91DB

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

Preview Lab → · Contrast checker → · Palette generator →

#4C91DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva