#4F91BD#4F91BD

#4F91BD is a light, moderate cyan. Relative luminance 0.256; OKLCH L 63.1% C 0.095 H 239.8°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#4F91BD
RGB	rgb(79, 145, 189)
HSL	hsl(204, 45%, 53%)
HSV	hsv(204, 58%, 74%)
CMYK	cmyk(58.2%, 23.3%, 0%, 25.9%)
CIE-LAB	lab(57.64, -7.97, -29.25)
CIE-LCH	lch(57.64, 30.31, 254.76°)
OKLab	oklab(63.12% -0.0477 -0.0819)
OKLCH	oklch(63.12% 0.095 239.8)
XYZ	xyz(22.5317, 25.5851, 51.8853)
Luminance	0.2559 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91BD #BD7B4F

analogous

#4FBDB2 #4F91BD #4F5ABD

triadic

#4F91BD #BD4F91 #91BD4F

tetradic

#4F91BD #B24FBD #BD7B4F #5ABD4F

square

#4F91BD #B24FBD #BD7B4F #5ABD4F

split-complementary

#4F91BD #BD4F5A #BDB24F

monochromatic

#284F6A #387196 #4F91BD #7CADCE #A8C9DE

Accessibility & contrast

On white

3.43

#4F91BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#4F91BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91BD

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91BD	#FFFFFF	#000000	##000000
##4F91BD	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D91BF

Deuteranopia (green-blind)

#6E85BC

Tritanopia (blue-blind)

#009CA0

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4f91bd;
/* rgb */ color: rgb(79, 145, 189);
/* oklch */ color: oklch(63.1% 0.095 239.8);

Tailwind

colors: {
  custom: {
    50: '#89b1d1',
    500: '#4f91bd',
    950: '#000000',
  },
}

SCSS

$custom: #4f91bd;
$custom-light: #89b1d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91bd",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 189
  },
  "hsl": {
    "h": 204,
    "s": 45.455,
    "l": 52.549
  },
  "oklch": {
    "l": 0.63121,
    "c": 0.09475,
    "h": 239.8
  },
  "luminance": 0.25587
}

Semantic roles & 50–950 ramp

primary

#4F91BD

secondary

#CCAF9C

accent

#8753D5

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4F91BD

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

Preview Lab → · Contrast checker → · Palette generator →