#4A91CB#4A91CB

#4A91CB is a light, moderate cyan. Relative luminance 0.260; OKLCH L 63.6% C 0.113 H 245.6°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#4A91CB
RGB	rgb(74, 145, 203)
HSL	hsl(207, 55%, 54%)
HSV	hsv(207, 64%, 80%)
CMYK	cmyk(63.5%, 28.6%, 0%, 20.4%)
CIE-LAB	lab(58.05, -4.37, -36.53)
CIE-LCH	lch(58.05, 36.79, 263.17°)
OKLab	oklab(63.59% -0.0468 -0.103)
OKLCH	oklch(63.59% 0.113 245.6)
XYZ	xyz(23.7249, 26.0161, 60.2596)
Luminance	0.2602 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A91CB #CB844A

analogous

#4ACBC5 #4A91CB #4A51CB

triadic

#4A91CB #CB4A91 #91CB4A

tetradic

#4A91CB #C54ACB #CB844A #51CB4A

square

#4A91CB #C54ACB #CB844A #51CB4A

split-complementary

#4A91CB #CB4A51 #CBC54A

monochromatic

#235278 #3072A8 #4A91CB #7AAED9 #A9CBE6

Accessibility & contrast

On white

3.39

#4A91CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#4A91CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A91CB

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A91CB	#FFFFFF	#000000	##000000
##4A91CB	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7793CE

Deuteranopia (green-blind)

#6686CA

Tritanopia (blue-blind)

#009FA5

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4a91cb;
/* rgb */ color: rgb(74, 145, 203);
/* oklch */ color: oklch(63.6% 0.113 245.6);

Tailwind

colors: {
  custom: {
    50: '#88b1db',
    500: '#4a91cb',
    950: '#000000',
  },
}

SCSS

$custom: #4a91cb;
$custom-light: #88b1db;
$custom-dark: #000000;

JSON

{
  "hex": "#4a91cb",
  "rgb": {
    "r": 74,
    "g": 145,
    "b": 203
  },
  "hsl": {
    "h": 206.977,
    "s": 55.365,
    "l": 54.314
  },
  "oklch": {
    "l": 0.63592,
    "c": 0.11309,
    "h": 245.6
  },
  "luminance": 0.26018
}

Semantic roles & 50–950 ramp

primary

#4A91CB

secondary

#D4B69D

accent

#8C49DF

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4A91CB

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

Preview Lab → · Contrast checker → · Palette generator →