#4579B2#4579B2

#4579B2 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.6% C 0.105 H 252.1°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX#4579B2
RGBrgb(69, 121, 178)
HSLhsl(211, 44%, 48%)
HSVhsv(211, 61%, 70%)
CMYKcmyk(61.2%, 32%, 0%, 30.2%)
CIE-LABlab(49.68, 0.39, -35.40)
CIE-LCHlch(49.68, 35.40, 270.63°)
OKLaboklab(56.57% -0.0323 -0.1)
OKLCHoklch(56.57% 0.105 252.1)
XYZxyz(17.3246, 18.1527, 44.7017)
Luminance0.1815 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4579B2 #B27E45
analogous
#45AFB2 #4579B2 #4745B2
triadic
#4579B2 #B24579 #79B245
tetradic
#4579B2 #B245AF #B27E45 #45B247
square
#4579B2 #B245AF #B27E45 #45B247
split-complementary
#4579B2 #B24745 #AFB245
monochromatic
#233D5A #345B86 #4579B2 #6E98C7 #9AB7D8

Accessibility & contrast

On white

4.53
#4579B2 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.63
#4579B2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4579B2
4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4579B2#FFFFFF#000000##000000
##4579B21.004.534.634.63
#FFFFFF4.531.0021.0021.00
#0000004.6321.001.001.00
##0000004.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#617CB4
Deuteranopia (green-blind)
#5271B1
Tritanopia (blue-blind)
#00868D
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #4579b2;
/* rgb */ color: rgb(69, 121, 178);
/* oklch */ color: oklch(56.6% 0.105 252.1);
Tailwind
colors: {
  custom: {
    50: '#829fc9',
    500: '#4579b2',
    950: '#000000',
  },
}
SCSS
$custom: #4579b2;
$custom-light: #829fc9;
$custom-dark: #000000;
JSON
{
  "hex": "#4579b2",
  "rgb": {
    "r": 69,
    "g": 121,
    "b": 178
  },
  "hsl": {
    "h": 211.376,
    "s": 44.13,
    "l": 48.431
  },
  "oklch": {
    "l": 0.56568,
    "c": 0.10505,
    "h": 252.1
  },
  "luminance": 0.18154
}

Semantic roles & 50–950 ramp

primary
#4579B2
secondary
#C4AB8F
accent
#9754D4
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #4579B2

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

Preview Lab → · Contrast checker → · Palette generator →

#4579B2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva