#4D91CB#4D91CB

#4D91CB is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.7% C 0.112 H 246.5°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#4D91CB
RGB	rgb(77, 145, 203)
HSL	hsl(208, 55%, 55%)
HSV	hsv(208, 62%, 80%)
CMYK	cmyk(62.1%, 28.6%, 0%, 20.4%)
CIE-LAB	lab(58.17, -3.83, -36.34)
CIE-LCH	lch(58.17, 36.54, 263.99°)
OKLab	oklab(63.72% -0.0446 -0.1024)
OKLCH	oklch(63.72% 0.112 246.5)
XYZ	xyz(23.9615, 26.1381, 60.2707)
Luminance	0.2614 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D91CB #CB874D

analogous

#4DCBC6 #4D91CB #4D52CB

triadic

#4D91CB #CB4D91 #91CB4D

tetradic

#4D91CB #C64DCB #CB874D #52CB4D

square

#4D91CB #C64DCB #CB874D #52CB4D

split-complementary

#4D91CB #CB4D52 #CBC64D

monochromatic

#24527A #3172A9 #4D91CB #7CAED9 #ACCCE7

Accessibility & contrast

On white

3.37

#4D91CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.23

#4D91CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D91CB

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D91CB	#FFFFFF	#000000	##000000
##4D91CB	1.00	3.37	6.23	6.23
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.23	21.00	1.00	1.00
##000000	6.23	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: #4d91cb;
/* rgb */ color: rgb(77, 145, 203);
/* oklch */ color: oklch(63.7% 0.112 246.5);

Tailwind

colors: {
  custom: {
    50: '#8ab1db',
    500: '#4d91cb',
    950: '#000000',
  },
}

SCSS

$custom: #4d91cb;
$custom-light: #8ab1db;
$custom-dark: #000000;

JSON

{
  "hex": "#4d91cb",
  "rgb": {
    "r": 77,
    "g": 145,
    "b": 203
  },
  "hsl": {
    "h": 207.619,
    "s": 54.783,
    "l": 54.902
  },
  "oklch": {
    "l": 0.63715,
    "c": 0.11168,
    "h": 246.5
  },
  "luminance": 0.2614
}

Semantic roles & 50–950 ramp

primary

#4D91CB

secondary

#D4B89F

accent

#8E4ADE

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #4D91CB

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

Preview Lab → · Contrast checker → · Palette generator →