#4F77E8#4F77E8

#4F77E8 is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.9% C 0.177 H 266.5°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX#4F77E8
RGBrgb(79, 119, 232)
HSLhsl(224, 77%, 61%)
HSVhsv(224, 66%, 91%)
CMYKcmyk(65.9%, 48.7%, 0%, 9%)
CIE-LABlab(52.60, 22.02, -61.47)
CIE-LCHlch(52.60, 65.30, 289.71°)
OKLaboklab(59.92% -0.0109 -0.1762)
OKLCHoklch(59.92% 0.177 266.5)
XYZxyz(24.3817, 20.6798, 79.0350)
Luminance0.2068 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4F77E8 #E8C04F
analogous
#4FC3E8 #4F77E8 #734FE8
triadic
#4F77E8 #E84F77 #77E84F
tetradic
#4F77E8 #E84FC3 #E8C04F #4FE873
square
#4F77E8 #E84FC3 #E8C04F #4FE873
split-complementary
#4F77E8 #E8734F #C3E84F
monochromatic
#163CA7 #1D4FDD #4F77E8 #85A1EF #BBCBF6

Accessibility & contrast

On white

4.09
#4F77E8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.14
#4F77E8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F77E8
5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4F77E8#FFFFFF#000000##000000
##4F77E81.004.095.145.14
#FFFFFF4.091.0021.0021.00
#0000005.1421.001.001.00
##0000005.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#3985EC
Deuteranopia (green-blind)
#0C77E6
Tritanopia (blue-blind)
#0091A4
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #4f77e8;
/* rgb */ color: rgb(79, 119, 232);
/* oklch */ color: oklch(59.9% 0.177 266.5);
Tailwind
colors: {
  custom: {
    50: '#909df0',
    500: '#4f77e8',
    950: '#000000',
  },
}
SCSS
$custom: #4f77e8;
$custom-light: #909df0;
$custom-dark: #000000;
JSON
{
  "hex": "#4f77e8",
  "rgb": {
    "r": 79,
    "g": 119,
    "b": 232
  },
  "hsl": {
    "h": 224.314,
    "s": 76.884,
    "l": 60.98
  },
  "oklch": {
    "l": 0.59922,
    "c": 0.17656,
    "h": 266.5
  },
  "luminance": 0.20682
}

Semantic roles & 50–950 ramp

primary
#4F77E8
secondary
#E6D7AD
accent
#A40CD9
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0E17
muted
#7E7E85

Preview Lab

Preview with #4F77E8

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

Preview Lab → · Contrast checker → · Palette generator →

#4F77E8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva