#4F91AB#4F91AB

#4F91AB is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.3% C 0.078 H 225.8°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#4F91AB
RGB	rgb(79, 145, 171)
HSL	hsl(197, 37%, 49%)
HSV	hsv(197, 54%, 67%)
CMYK	cmyk(53.8%, 15.2%, 0%, 32.9%)
CIE-LAB	lab(56.93, -13.54, -20.11)
CIE-LCH	lch(56.93, 24.24, 236.04°)
OKLab	oklab(62.32% -0.0542 -0.0558)
OKLCH	oklch(62.32% 0.078 225.8)
XYZ	xyz(20.6978, 24.8515, 42.2263)
Luminance	0.2485 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91AB #AB694F

analogous

#4FAB97 #4F91AB #4F63AB

triadic

#4F91AB #AB4F91 #91AB4F

tetradic

#4F91AB #974FAB #AB694F #63AB4F

square

#4F91AB #974FAB #AB694F #63AB4F

split-complementary

#4F91AB #AB4F63 #AB974F

monochromatic

#284A57 #3C6E81 #4F91AB #77ACC0 #A1C5D4

Accessibility & contrast

On white

3.52

#4F91AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.97

#4F91AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91AB

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91AB	#FFFFFF	#000000	##000000
##4F91AB	1.00	3.52	5.97	5.97
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.97	21.00	1.00	1.00
##000000	5.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#838EAC

Deuteranopia (green-blind)

#7684AB

Tritanopia (blue-blind)

#0C9999

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4f91ab;
/* rgb */ color: rgb(79, 145, 171);
/* oklch */ color: oklch(62.3% 0.078 225.8);

Tailwind

colors: {
  custom: {
    50: '#87b1c4',
    500: '#4f91ab',
    950: '#000000',
  },
}

SCSS

$custom: #4f91ab;
$custom-light: #87b1c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91ab",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 171
  },
  "hsl": {
    "h": 196.957,
    "s": 36.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.62322,
    "c": 0.07782,
    "h": 225.8
  },
  "luminance": 0.24853
}

Semantic roles & 50–950 ramp

primary

#4F91AB

secondary

#C1A195

accent

#7B5BCD

background

#F8FAFC

surface

#F0F5F8

border

#CBCFD1

text

#0C1012

muted

#7D7F81

Preview Lab

Preview with #4F91AB

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

Preview Lab → · Contrast checker → · Palette generator →