#4E91CB#4E91CB

#4E91CB is a light, moderate cyan. Relative luminance 0.262; OKLCH L 63.8% C 0.111 H 246.8°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#4E91CB
RGB	rgb(78, 145, 203)
HSL	hsl(208, 55%, 55%)
HSV	hsv(208, 62%, 80%)
CMYK	cmyk(61.6%, 28.6%, 0%, 20.4%)
CIE-LAB	lab(58.21, -3.64, -36.27)
CIE-LCH	lch(58.21, 36.46, 264.27°)
OKLab	oklab(63.76% -0.0439 -0.1022)
OKLCH	oklch(63.76% 0.111 246.8)
XYZ	xyz(24.0428, 26.1800, 60.2745)
Luminance	0.2618 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E91CB #CB884E

analogous

#4ECBC6 #4E91CB #4E53CB

triadic

#4E91CB #CB4E91 #91CB4E

tetradic

#4E91CB #C64ECB #CB884E #53CB4E

square

#4E91CB #C64ECB #CB884E #53CB4E

split-complementary

#4E91CB #CB4E53 #CBC64E

monochromatic

#24527B #3272AA #4E91CB #7DAED9 #ADCCE7

Accessibility & contrast

On white

3.37

#4E91CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.24

#4E91CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E91CB

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E91CB	#FFFFFF	#000000	##000000
##4E91CB	1.00	3.37	6.24	6.24
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.24	21.00	1.00	1.00
##000000	6.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7893CE

Deuteranopia (green-blind)

#6786CA

Tritanopia (blue-blind)

#009FA5

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4e91cb;
/* rgb */ color: rgb(78, 145, 203);
/* oklch */ color: oklch(63.8% 0.111 246.8);

Tailwind

colors: {
  custom: {
    50: '#8ab1db',
    500: '#4e91cb',
    950: '#000000',
  },
}

SCSS

$custom: #4e91cb;
$custom-light: #8ab1db;
$custom-dark: #000000;

JSON

{
  "hex": "#4e91cb",
  "rgb": {
    "r": 78,
    "g": 145,
    "b": 203
  },
  "hsl": {
    "h": 207.84,
    "s": 54.585,
    "l": 55.098
  },
  "oklch": {
    "l": 0.63758,
    "c": 0.1112,
    "h": 246.8
  },
  "luminance": 0.26182
}

Semantic roles & 50–950 ramp

primary

#4E91CB

secondary

#D5B9A0

accent

#8F4ADE

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #4E91CB

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

Preview Lab → · Contrast checker → · Palette generator →