#4F91BE#4F91BE

#4F91BE is a light, moderate cyan. Relative luminance 0.256; OKLCH L 63.2% C 0.096 H 240.4°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#4F91BE
RGB	rgb(79, 145, 190)
HSL	hsl(204, 46%, 53%)
HSV	hsv(204, 58%, 75%)
CMYK	cmyk(58.4%, 23.7%, 0%, 25.5%)
CIE-LAB	lab(57.68, -7.65, -29.75)
CIE-LCH	lch(57.68, 30.72, 255.58°)
OKLab	oklab(63.17% -0.0473 -0.0833)
OKLCH	oklch(63.17% 0.096 240.4)
XYZ	xyz(22.6407, 25.6287, 52.4589)
Luminance	0.2563 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91BE #BE7C4F

analogous

#4FBEB3 #4F91BE #4F5ABE

triadic

#4F91BE #BE4F91 #91BE4F

tetradic

#4F91BE #B34FBE #BE7C4F #5ABE4F

square

#4F91BE #B34FBE #BE7C4F #5ABE4F

split-complementary

#4F91BE #BE4F5A #BEB34F

monochromatic

#28506B #387198 #4F91BE #7CADCF #A8C9DF

Accessibility & contrast

On white

3.43

#4F91BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#4F91BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91BE

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91BE	#FFFFFF	#000000	##000000
##4F91BE	1.00	3.43	6.13	6.13
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D91C0

Deuteranopia (green-blind)

#6E86BD

Tritanopia (blue-blind)

#009CA0

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4f91be;
/* rgb */ color: rgb(79, 145, 190);
/* oklch */ color: oklch(63.2% 0.096 240.4);

Tailwind

colors: {
  custom: {
    50: '#89b1d1',
    500: '#4f91be',
    950: '#000000',
  },
}

SCSS

$custom: #4f91be;
$custom-light: #89b1d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91be",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 190
  },
  "hsl": {
    "h": 204.324,
    "s": 46.058,
    "l": 52.745
  },
  "oklch": {
    "l": 0.63168,
    "c": 0.09583,
    "h": 240.4
  },
  "luminance": 0.25631
}

Semantic roles & 50–950 ramp

primary

#4F91BE

secondary

#CCB09C

accent

#8752D6

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4F91BE

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

Preview Lab → · Contrast checker → · Palette generator →