#4F81BA#4F81BA

#4F81BA is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 59.3% C 0.103 H 252.8°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#4F81BA
RGB	rgb(79, 129, 186)
HSL	hsl(212, 44%, 52%)
HSV	hsv(212, 58%, 73%)
CMYK	cmyk(57.5%, 30.6%, 0%, 27.1%)
CIE-LAB	lab(52.85, 0.32, -35.01)
CIE-LCH	lch(52.85, 35.01, 270.52°)
OKLab	oklab(59.3% -0.0306 -0.0986)
OKLCH	oklch(59.3% 0.103 252.8)
XYZ	xyz(19.9345, 20.9062, 49.4297)
Luminance	0.2091 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F81BA #BA884F

analogous

#4FB6BA #4F81BA #534FBA

triadic

#4F81BA #BA4F81 #81BA4F

tetradic

#4F81BA #BA4FB6 #BA884F #4FBA53

square

#4F81BA #BA4FB6 #BA884F #4FBA53

split-complementary

#4F81BA #BA534F #B6BA4F

monochromatic

#284566 #396392 #4F81BA #7BA0CB #A7C0DC

Accessibility & contrast

On white

4.05

#4F81BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#4F81BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F81BA

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F81BA	#FFFFFF	#000000	##000000
##4F81BA	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)

#6984BC

Deuteranopia (green-blind)

#5B79B9

Tritanopia (blue-blind)

#008E95

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4f81ba;
/* rgb */ color: rgb(79, 129, 186);
/* oklch */ color: oklch(59.3% 0.103 252.8);

Tailwind

colors: {
  custom: {
    50: '#88a5cf',
    500: '#4f81ba',
    950: '#000000',
  },
}

SCSS

$custom: #4f81ba;
$custom-light: #88a5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4f81ba",
  "rgb": {
    "r": 79,
    "g": 129,
    "b": 186
  },
  "hsl": {
    "h": 211.963,
    "s": 43.673,
    "l": 51.961
  },
  "oklch": {
    "l": 0.59299,
    "c": 0.10326,
    "h": 252.8
  },
  "luminance": 0.20908
}

Semantic roles & 50–950 ramp

primary

#4F81BA

secondary

#CAB49B

accent

#9854D3

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #4F81BA

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

Preview Lab → · Contrast checker → · Palette generator →