#4D90EB#4D90EB

#4D90EB is a light, vivid cyan. Relative luminance 0.275; OKLCH L 65.2% C 0.153 H 256.7°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#4D90EB
RGB	rgb(77, 144, 235)
HSL	hsl(215, 80%, 61%)
HSV	hsv(215, 67%, 92%)
CMYK	cmyk(67.2%, 38.7%, 0%, 7.8%)
CIE-LAB	lab(59.45, 7.56, -52.18)
CIE-LCH	lch(59.45, 52.72, 278.25°)
OKLab	oklab(65.23% -0.0352 -0.1486)
OKLCH	oklch(65.23% 0.153 256.7)
XYZ	xyz(28.0238, 27.5196, 82.4161)
Luminance	0.2752 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D90EB #EBA84D

analogous

#4DDFEB #4D90EB #594DEB

triadic

#4D90EB #EB4D90 #90EB4D

tetradic

#4D90EB #EB4DDF #EBA84D #4DEB59

square

#4D90EB #EB4DDF #EBA84D #4DEB59

split-complementary

#4D90EB #EB594D #DFEB4D

monochromatic

#1353AA #196EE1 #4D90EB #84B2F1 #BBD5F7

Accessibility & contrast

On white

3.23

#4D90EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#4D90EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D90EB

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D90EB	#FFFFFF	#000000	##000000
##4D90EB	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6797EF

Deuteranopia (green-blind)

#4F88E9

Tritanopia (blue-blind)

#00A5B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4d90eb;
/* rgb */ color: rgb(77, 144, 235);
/* oklch */ color: oklch(65.2% 0.153 256.7);

Tailwind

colors: {
  custom: {
    50: '#8fb0f2',
    500: '#4d90eb',
    950: '#000000',
  },
}

SCSS

$custom: #4d90eb;
$custom-light: #8fb0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#4d90eb",
  "rgb": {
    "r": 77,
    "g": 144,
    "b": 235
  },
  "hsl": {
    "h": 214.557,
    "s": 79.798,
    "l": 61.176
  },
  "oklch": {
    "l": 0.65234,
    "c": 0.1527,
    "h": 256.7
  },
  "luminance": 0.27522
}

Semantic roles & 50–950 ramp

primary

#4D90EB

secondary

#E8CEAC

accent

#8309DC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4D90EB

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

Preview Lab → · Contrast checker → · Palette generator →