#4D81BB#4D81BB

#4D81BB is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 59.3% C 0.105 H 252.4°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#4D81BB
RGB	rgb(77, 129, 187)
HSL	hsl(212, 45%, 52%)
HSV	hsv(212, 59%, 73%)
CMYK	cmyk(58.8%, 31%, 0%, 26.7%)
CIE-LAB	lab(52.80, 0.23, -35.66)
CIE-LCH	lch(52.80, 35.66, 270.37°)
OKLab	oklab(59.25% -0.032 -0.1005)
OKLCH	oklch(59.25% 0.106 252.4)
XYZ	xyz(19.8773, 20.8644, 49.9838)
Luminance	0.2087 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D81BB #BB874D

analogous

#4DB8BB #4D81BB #504DBB

triadic

#4D81BB #BB4D81 #81BB4D

tetradic

#4D81BB #BB4DB8 #BB874D #4DBB50

square

#4D81BB #BB4DB8 #BB874D #4DBB50

split-complementary

#4D81BB #BB504D #B8BB4D

monochromatic

#274566 #386393 #4D81BB #79A0CC #A6C0DD

Accessibility & contrast

On white

4.06

#4D81BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#4D81BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D81BB

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D81BB	#FFFFFF	#000000	##000000
##4D81BB	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6984BE

Deuteranopia (green-blind)

#5A79BA

Tritanopia (blue-blind)

#008E96

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4d81bb;
/* rgb */ color: rgb(77, 129, 187);
/* oklch */ color: oklch(59.3% 0.105 252.4);

Tailwind

colors: {
  custom: {
    50: '#87a5cf',
    500: '#4d81bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d81bb;
$custom-light: #87a5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4d81bb",
  "rgb": {
    "r": 77,
    "g": 129,
    "b": 187
  },
  "hsl": {
    "h": 211.636,
    "s": 44.715,
    "l": 51.765
  },
  "oklch": {
    "l": 0.59254,
    "c": 0.1055,
    "h": 252.4
  },
  "luminance": 0.20866
}

Semantic roles & 50–950 ramp

primary

#4D81BB

secondary

#CAB39A

accent

#9753D4

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4D81BB

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

Preview Lab → · Contrast checker → · Palette generator →