#4D91CF#4D91CF

#4D91CF is a light, moderate cyan. Relative luminance 0.263; OKLCH L 63.9% C 0.116 H 248.1°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#4D91CF
RGB	rgb(77, 145, 207)
HSL	hsl(209, 58%, 56%)
HSV	hsv(209, 63%, 81%)
CMYK	cmyk(62.8%, 30%, 0%, 18.8%)
CIE-LAB	lab(58.35, -2.51, -38.30)
CIE-LCH	lch(58.35, 38.38, 266.26°)
OKLab	oklab(63.92% -0.0434 -0.1081)
OKLCH	oklch(63.92% 0.116 248.1)
XYZ	xyz(24.4443, 26.3312, 62.8136)
Luminance	0.2633 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D91CF #CF8B4D

analogous

#4DCFCC #4D91CF #4D50CF

triadic

#4D91CF #CF4D91 #91CF4D

tetradic

#4D91CF #CC4DCF #CF8B4D #50CF4D

square

#4D91CF #CC4DCF #CF8B4D #50CF4D

split-complementary

#4D91CF #CF4D50 #CFCC4D

monochromatic

#22537F #2F72AF #4D91CF #7DAFDC #ADCDE9

Accessibility & contrast

On white

3.35

#4D91CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#4D91CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D91CF

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D91CF	#FFFFFF	#000000	##000000
##4D91CF	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7693D2

Deuteranopia (green-blind)

#6487CE

Tritanopia (blue-blind)

#00A0A7

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4d91cf;
/* rgb */ color: rgb(77, 145, 207);
/* oklch */ color: oklch(63.9% 0.116 248.1);

Tailwind

colors: {
  custom: {
    50: '#8ab1de',
    500: '#4d91cf',
    950: '#000000',
  },
}

SCSS

$custom: #4d91cf;
$custom-light: #8ab1de;
$custom-dark: #000000;

JSON

{
  "hex": "#4d91cf",
  "rgb": {
    "r": 77,
    "g": 145,
    "b": 207
  },
  "hsl": {
    "h": 208.615,
    "s": 57.522,
    "l": 55.686
  },
  "oklch": {
    "l": 0.63919,
    "c": 0.11646,
    "h": 248.1
  },
  "luminance": 0.26334
}

Semantic roles & 50–950 ramp

primary

#4D91CF

secondary

#D7BBA1

accent

#9047E1

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #4D91CF

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

Preview Lab → · Contrast checker → · Palette generator →