#4991DF#4991DF

#4991DF is a light, vivid cyan. Relative luminance 0.270; OKLCH L 64.6% C 0.138 H 252.3°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX#4991DF
RGBrgb(73, 145, 223)
HSLhsl(211, 70%, 58%)
HSVhsv(211, 67%, 87%)
CMYKcmyk(67.3%, 35%, 0%, 12.5%)
CIE-LABlab(58.97, 2.22, -46.29)
CIE-LCHlch(58.97, 46.34, 272.74°)
OKLaboklab(64.61% -0.0418 -0.1314)
OKLCHoklch(64.61% 0.138 252.3)
XYZxyz(26.1874, 26.9923, 73.6276)
Luminance0.2700 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4991DF #DF9749
analogous
#49DCDF #4991DF #4C49DF
triadic
#4991DF #DF4991 #91DF49
tetradic
#4991DF #DF49DC #DF9749 #49DF4C
square
#4991DF #DF49DC #DF9749 #49DF4C
split-complementary
#4991DF #DF4C49 #DCDF49
monochromatic
#1A5494 #2372C8 #4991DF #7DB0E8 #B1D0F1

Accessibility & contrast

On white

3.28
#4991DF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.40
#4991DF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4991DF
6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4991DF#FFFFFF#000000##000000
##4991DF1.003.286.406.40
#FFFFFF3.281.0021.0021.00
#0000006.4021.001.001.00
##0000006.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E96E2
Deuteranopia (green-blind)
#5987DD
Tritanopia (blue-blind)
#00A3AD
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #4991df;
/* rgb */ color: rgb(73, 145, 223);
/* oklch */ color: oklch(64.6% 0.138 252.3);
Tailwind
colors: {
  custom: {
    50: '#8bb0e9',
    500: '#4991df',
    950: '#000000',
  },
}
SCSS
$custom: #4991df;
$custom-light: #8bb0e9;
$custom-dark: #000000;
JSON
{
  "hex": "#4991df",
  "rgb": {
    "r": 73,
    "g": 145,
    "b": 223
  },
  "hsl": {
    "h": 211.2,
    "s": 70.093,
    "l": 58.039
  },
  "oklch": {
    "l": 0.64613,
    "c": 0.1379,
    "h": 252.3
  },
  "luminance": 0.26995
}

Semantic roles & 50–950 ramp

primary
#4991DF
secondary
#E0C3A4
accent
#973BED
background
#F9FAFE
surface
#F1F4FD
border
#CBCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #4991DF

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

Preview Lab → · Contrast checker → · Palette generator →

#4991DF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva