#4F81BF#4F81BF

#4F81BF is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 59.6% C 0.110 H 254.6°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#4F81BF
RGB	rgb(79, 129, 191)
HSL	hsl(213, 47%, 53%)
HSV	hsv(213, 59%, 75%)
CMYK	cmyk(58.6%, 32.5%, 0%, 25.1%)
CIE-LAB	lab(53.08, 1.96, -37.50)
CIE-LCH	lch(53.08, 37.55, 272.99°)
OKLab	oklab(59.56% -0.0292 -0.1058)
OKLCH	oklch(59.56% 0.11 254.6)
XYZ	xyz(20.4753, 21.1226, 52.2782)
Luminance	0.2112 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F81BF #BF8D4F

analogous

#4FB9BF #4F81BF #554FBF

triadic

#4F81BF #BF4F81 #81BF4F

tetradic

#4F81BF #BF4FB9 #BF8D4F #4FBF55

square

#4F81BF #BF4FB9 #BF8D4F #4FBF55

split-complementary

#4F81BF #BF554F #B9BF4F

monochromatic

#27466C #386399 #4F81BF #7CA1CF #A9C1E0

Accessibility & contrast

On white

4.02

#4F81BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#4F81BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F81BF

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F81BF	#FFFFFF	#000000	##000000
##4F81BF	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6785C2

Deuteranopia (green-blind)

#597ABE

Tritanopia (blue-blind)

#008F97

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4f81bf;
/* rgb */ color: rgb(79, 129, 191);
/* oklch */ color: oklch(59.6% 0.110 254.6);

Tailwind

colors: {
  custom: {
    50: '#89a5d2',
    500: '#4f81bf',
    950: '#000000',
  },
}

SCSS

$custom: #4f81bf;
$custom-light: #89a5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f81bf",
  "rgb": {
    "r": 79,
    "g": 129,
    "b": 191
  },
  "hsl": {
    "h": 213.214,
    "s": 46.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.59563,
    "c": 0.10979,
    "h": 254.6
  },
  "luminance": 0.21124
}

Semantic roles & 50–950 ramp

primary

#4F81BF

secondary

#CDB79D

accent

#9B51D6

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4F81BF

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

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