#4F91CC#4F91CC

#4F91CC is a light, moderate cyan. Relative luminance 0.263; OKLCH L 63.9% C 0.112 H 247.5°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX#4F91CC
RGBrgb(79, 145, 204)
HSLhsl(208, 55%, 55%)
HSVhsv(208, 61%, 80%)
CMYKcmyk(61.3%, 28.9%, 0%, 20%)
CIE-LABlab(58.29, -3.13, -36.70)
CIE-LCHlch(58.29, 36.83, 265.13°)
OKLaboklab(63.85% -0.0428 -0.1034)
OKLCHoklch(63.85% 0.112 247.5)
XYZxyz(24.2449, 26.2704, 60.9080)
Luminance0.2627 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4F91CC #CC8A4F
analogous
#4FCCC8 #4F91CC #4F52CC
triadic
#4F91CC #CC4F91 #91CC4F
tetradic
#4F91CC #C84FCC #CC8A4F #52CC4F
square
#4F91CC #C84FCC #CC8A4F #52CC4F
split-complementary
#4F91CC #CC4F52 #CCC84F
monochromatic
#24537D #3272AC #4F91CC #7EAFDA #AECCE7

Accessibility & contrast

On white

3.36
#4F91CC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.25
#4F91CC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91CC
6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4F91CC#FFFFFF#000000##000000
##4F91CC1.003.366.256.25
#FFFFFF3.361.0021.0021.00
#0000006.2521.001.001.00
##0000006.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7893CF
Deuteranopia (green-blind)
#6787CB
Tritanopia (blue-blind)
#009FA6
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #4f91cc;
/* rgb */ color: rgb(79, 145, 204);
/* oklch */ color: oklch(63.9% 0.112 247.5);
Tailwind
colors: {
  custom: {
    50: '#8bb1dc',
    500: '#4f91cc',
    950: '#000000',
  },
}
SCSS
$custom: #4f91cc;
$custom-light: #8bb1dc;
$custom-dark: #000000;
JSON
{
  "hex": "#4f91cc",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 204
  },
  "hsl": {
    "h": 208.32,
    "s": 55.066,
    "l": 55.49
  },
  "oklch": {
    "l": 0.63851,
    "c": 0.11192,
    "h": 247.5
  },
  "luminance": 0.26273
}

Semantic roles & 50–950 ramp

primary
#4F91CC
secondary
#D5BAA1
accent
#9049DE
background
#F9FAFD
surface
#F1F4FB
border
#CBCED4
text
#0D1015
muted
#7E7F83

Preview Lab

Preview with #4F91CC

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

Preview Lab → · Contrast checker → · Palette generator →

#4F91CC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva