#4D81BC#4D81BC

#4D81BC is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 59.3% C 0.107 H 252.7°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#4D81BC
RGB	rgb(77, 129, 188)
HSL	hsl(212, 45%, 52%)
HSV	hsv(212, 59%, 74%)
CMYK	cmyk(59%, 31.4%, 0%, 26.3%)
CIE-LAB	lab(52.85, 0.56, -36.16)
CIE-LCH	lch(52.85, 36.16, 270.89°)
OKLab	oklab(59.31% -0.0317 -0.102)
OKLCH	oklch(59.31% 0.107 252.7)
XYZ	xyz(19.9847, 20.9074, 50.5496)
Luminance	0.2091 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D81BC #BC884D

analogous

#4DB8BC #4D81BC #514DBC

triadic

#4D81BC #BC4D81 #81BC4D

tetradic

#4D81BC #BC4DB8 #BC884D #4DBC51

square

#4D81BC #BC4DB8 #BC884D #4DBC51

split-complementary

#4D81BC #BC514D #B8BC4D

monochromatic

#274568 #386394 #4D81BC #79A0CD #A6C0DD

Accessibility & contrast

On white

4.05

#4D81BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#4D81BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D81BC

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D81BC	#FFFFFF	#000000	##000000
##4D81BC	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)

#6884BF

Deuteranopia (green-blind)

#5A79BB

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4d81bc;
/* rgb */ color: rgb(77, 129, 188);
/* oklch */ color: oklch(59.3% 0.107 252.7);

Tailwind

colors: {
  custom: {
    50: '#88a5d0',
    500: '#4d81bc',
    950: '#000000',
  },
}

SCSS

$custom: #4d81bc;
$custom-light: #88a5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d81bc",
  "rgb": {
    "r": 77,
    "g": 129,
    "b": 188
  },
  "hsl": {
    "h": 211.892,
    "s": 45.306,
    "l": 51.961
  },
  "oklch": {
    "l": 0.59306,
    "c": 0.1068,
    "h": 252.7
  },
  "luminance": 0.20909
}

Semantic roles & 50–950 ramp

primary

#4D81BC

secondary

#CBB49A

accent

#9853D5

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4D81BC

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

Preview Lab → · Contrast checker → · Palette generator →