#4391EB#4391EB

#4391EB is a light, vivid cyan. Relative luminance 0.274; OKLCH L 65.1% C 0.155 H 254.0°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX#4391EB
RGBrgb(67, 145, 235)
HSLhsl(212, 81%, 59%)
HSVhsv(212, 71%, 92%)
CMYKcmyk(71.5%, 38.3%, 0%, 7.8%)
CIE-LABlab(59.38, 5.51, -52.32)
CIE-LCHlch(59.38, 52.61, 276.01°)
OKLaboklab(65.08% -0.0429 -0.1491)
OKLCHoklch(65.08% 0.155 254)
XYZxyz(27.4300, 27.4392, 82.4318)
Luminance0.2744 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4391EB #EB9D43
analogous
#43E5EB #4391EB #4943EB
triadic
#4391EB #EB4391 #91EB43
tetradic
#4391EB #EB43E5 #EB9D43 #43EB49
square
#4391EB #EB43E5 #EB9D43 #43EB49
split-complementary
#4391EB #EB4943 #E5EB43
monochromatic
#1155A2 #1771DA #4391EB #7AB1F1 #B2D2F7

Accessibility & contrast

On white

3.24
#4391EB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.49
#4391EB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4391EB
6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4391EB#FFFFFF#000000##000000
##4391EB1.003.246.496.49
#FFFFFF3.241.0021.0021.00
#0000006.4921.001.001.00
##0000006.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#6797EF
Deuteranopia (green-blind)
#4D88E9
Tritanopia (blue-blind)
#00A6B3
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #4391eb;
/* rgb */ color: rgb(67, 145, 235);
/* oklch */ color: oklch(65.1% 0.155 254.0);
Tailwind
colors: {
  custom: {
    50: '#8bb0f2',
    500: '#4391eb',
    950: '#000000',
  },
}
SCSS
$custom: #4391eb;
$custom-light: #8bb0f2;
$custom-dark: #000000;
JSON
{
  "hex": "#4391eb",
  "rgb": {
    "r": 67,
    "g": 145,
    "b": 235
  },
  "hsl": {
    "h": 212.143,
    "s": 80.769,
    "l": 59.216
  },
  "oklch": {
    "l": 0.65078,
    "c": 0.15516,
    "h": 254
  },
  "luminance": 0.27442
}

Semantic roles & 50–950 ramp

primary
#4391EB
secondary
#E6C7A4
accent
#9B31F7
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0D1017
muted
#7E7F85

Preview Lab

Preview with #4391EB

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

Preview Lab → · Contrast checker → · Palette generator →

#4391EB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva