#4F91DD#4F91DD

#4F91DD is a light, vivid cyan. Relative luminance 0.271; OKLCH L 64.7% C 0.133 H 253.4°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX#4F91DD
RGBrgb(79, 145, 221)
HSLhsl(212, 68%, 59%)
HSVhsv(212, 64%, 87%)
CMYKcmyk(64.3%, 34.4%, 0%, 13.3%)
CIE-LABlab(59.10, 2.53, -44.96)
CIE-LCHlch(59.10, 45.03, 273.22°)
OKLaboklab(64.74% -0.038 -0.1274)
OKLCHoklch(64.74% 0.133 253.4)
XYZxyz(26.3962, 27.1309, 72.2383)
Luminance0.2713 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4F91DD #DD9B4F
analogous
#4FD8DD #4F91DD #544FDD
triadic
#4F91DD #DD4F91 #91DD4F
tetradic
#4F91DD #DD4FD8 #DD9B4F #4FDD54
square
#4F91DD #DD4FD8 #DD9B4F #4FDD54
split-complementary
#4F91DD #DD544F #D8DD4F
monochromatic
#1D5595 #2772C8 #4F91DD #82B1E7 #B6D1F1

Accessibility & contrast

On white

3.27
#4F91DD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.43
#4F91DD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91DD
6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4F91DD#FFFFFF#000000##000000
##4F91DD1.003.276.436.43
#FFFFFF3.271.0021.0021.00
#0000006.4321.001.001.00
##0000006.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7096E0
Deuteranopia (green-blind)
#5C88DB
Tritanopia (blue-blind)
#00A3AD
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #4f91dd;
/* rgb */ color: rgb(79, 145, 221);
/* oklch */ color: oklch(64.7% 0.133 253.4);
Tailwind
colors: {
  custom: {
    50: '#8db0e8',
    500: '#4f91dd',
    950: '#000000',
  },
}
SCSS
$custom: #4f91dd;
$custom-light: #8db0e8;
$custom-dark: #000000;
JSON
{
  "hex": "#4f91dd",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 221
  },
  "hsl": {
    "h": 212.113,
    "s": 67.619,
    "l": 58.824
  },
  "oklch": {
    "l": 0.64744,
    "c": 0.13299,
    "h": 253.4
  },
  "luminance": 0.27134
}

Semantic roles & 50–950 ramp

primary
#4F91DD
secondary
#E0C6A8
accent
#9A3DEA
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #4F91DD

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

Preview Lab → · Contrast checker → · Palette generator →

#4F91DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva