#4E81BB#4E81BB

#4E81BB is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 59.3% C 0.105 H 252.8°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#4E81BB
RGB	rgb(78, 129, 187)
HSL	hsl(212, 44%, 52%)
HSV	hsv(212, 58%, 73%)
CMYK	cmyk(58.3%, 31%, 0%, 26.7%)
CIE-LAB	lab(52.85, 0.44, -35.59)
CIE-LCH	lch(52.85, 35.59, 270.70°)
OKLab	oklab(59.3% -0.0311 -0.1003)
OKLCH	oklch(59.3% 0.105 252.8)
XYZ	xyz(19.9586, 20.9063, 49.9876)
Luminance	0.2091 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E81BB #BB884E

analogous

#4EB7BB #4E81BB #524EBB

triadic

#4E81BB #BB4E81 #81BB4E

tetradic

#4E81BB #BB4EB7 #BB884E #4EBB52

square

#4E81BB #BB4EB7 #BB884E #4EBB52

split-complementary

#4E81BB #BB524E #B7BB4E

monochromatic

#284567 #396393 #4E81BB #7AA0CC #A6C0DD

Accessibility & contrast

On white

4.05

#4E81BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#4E81BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E81BB

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E81BB	#FFFFFF	#000000	##000000
##4E81BB	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6984BE

Deuteranopia (green-blind)

#5B79BA

Tritanopia (blue-blind)

#008E96

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4e81bb;
/* rgb */ color: rgb(78, 129, 187);
/* oklch */ color: oklch(59.3% 0.105 252.8);

Tailwind

colors: {
  custom: {
    50: '#88a5cf',
    500: '#4e81bb',
    950: '#000000',
  },
}

SCSS

$custom: #4e81bb;
$custom-light: #88a5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4e81bb",
  "rgb": {
    "r": 78,
    "g": 129,
    "b": 187
  },
  "hsl": {
    "h": 211.927,
    "s": 44.49,
    "l": 51.961
  },
  "oklch": {
    "l": 0.59302,
    "c": 0.10502,
    "h": 252.8
  },
  "luminance": 0.20908
}

Semantic roles & 50–950 ramp

primary

#4E81BB

secondary

#CAB49B

accent

#9854D4

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4E81BB

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

Preview Lab → · Contrast checker → · Palette generator →