#4D90DF#4D90DF

#4D90DF is a light, vivid cyan. Relative luminance 0.269; OKLCH L 64.6% C 0.137 H 253.9°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#4D90DF
RGB	rgb(77, 144, 223)
HSL	hsl(212, 70%, 59%)
HSV	hsv(212, 65%, 87%)
CMYK	cmyk(65.5%, 35.4%, 0%, 12.5%)
CIE-LAB	lab(58.83, 3.45, -46.49)
CIE-LCH	lch(58.83, 46.62, 274.25°)
OKLab	oklab(64.55% -0.038 -0.132)
OKLCH	oklch(64.55% 0.137 253.9)
XYZ	xyz(26.3482, 26.8494, 73.5916)
Luminance	0.2685 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D90DF #DF9C4D

analogous

#4DD9DF #4D90DF #534DDF

triadic

#4D90DF #DF4D90 #90DF4D

tetradic

#4D90DF #DF4DD9 #DF9C4D #4DDF53

square

#4D90DF #DF4DD9 #DF9C4D #4DDF53

split-complementary

#4D90DF #DF534D #D9DF4D

monochromatic

#1B5497 #2471CA #4D90DF #81B0E8 #B5D1F2

Accessibility & contrast

On white

3.30

#4D90DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#4D90DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D90DF

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D90DF	#FFFFFF	#000000	##000000
##4D90DF	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D95E2

Deuteranopia (green-blind)

#5987DD

Tritanopia (blue-blind)

#00A2AD

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4d90df;
/* rgb */ color: rgb(77, 144, 223);
/* oklch */ color: oklch(64.6% 0.137 253.9);

Tailwind

colors: {
  custom: {
    50: '#8db0e9',
    500: '#4d90df',
    950: '#000000',
  },
}

SCSS

$custom: #4d90df;
$custom-light: #8db0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4d90df",
  "rgb": {
    "r": 77,
    "g": 144,
    "b": 223
  },
  "hsl": {
    "h": 212.466,
    "s": 69.524,
    "l": 58.824
  },
  "oklch": {
    "l": 0.64551,
    "c": 0.13731,
    "h": 253.9
  },
  "luminance": 0.26852
}

Semantic roles & 50–950 ramp

primary

#4D90DF

secondary

#E1C6A7

accent

#9B3BEC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4D90DF

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

Preview Lab → · Contrast checker → · Palette generator →