#4E81BC#4E81BC

#4E81BC is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 59.4% C 0.106 H 253.1°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#4E81BC
RGB	rgb(78, 129, 188)
HSL	hsl(212, 45%, 52%)
HSV	hsv(212, 59%, 74%)
CMYK	cmyk(58.5%, 31.4%, 0%, 26.3%)
CIE-LAB	lab(52.89, 0.77, -36.08)
CIE-LCH	lch(52.89, 36.09, 271.21°)
OKLab	oklab(59.36% -0.0308 -0.1017)
OKLCH	oklch(59.36% 0.106 253.1)
XYZ	xyz(20.0660, 20.9493, 50.5534)
Luminance	0.2095 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E81BC #BC894E

analogous

#4EB8BC #4E81BC #524EBC

triadic

#4E81BC #BC4E81 #81BC4E

tetradic

#4E81BC #BC4EB8 #BC894E #4EBC52

square

#4E81BC #BC4EB8 #BC894E #4EBC52

split-complementary

#4E81BC #BC524E #B8BC4E

monochromatic

#274568 #386395 #4E81BC #7AA1CD #A7C0DE

Accessibility & contrast

On white

4.05

#4E81BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#4E81BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E81BC

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E81BC	#FFFFFF	#000000	##000000
##4E81BC	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6884BF

Deuteranopia (green-blind)

#5A79BB

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4e81bc;
/* rgb */ color: rgb(78, 129, 188);
/* oklch */ color: oklch(59.4% 0.106 253.1);

Tailwind

colors: {
  custom: {
    50: '#88a5d0',
    500: '#4e81bc',
    950: '#000000',
  },
}

SCSS

$custom: #4e81bc;
$custom-light: #88a5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4e81bc",
  "rgb": {
    "r": 78,
    "g": 129,
    "b": 188
  },
  "hsl": {
    "h": 212.182,
    "s": 45.082,
    "l": 52.157
  },
  "oklch": {
    "l": 0.59355,
    "c": 0.10632,
    "h": 253.1
  },
  "luminance": 0.20951
}

Semantic roles & 50–950 ramp

primary

#4E81BC

secondary

#CBB59B

accent

#9953D5

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4E81BC

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

Preview Lab → · Contrast checker → · Palette generator →