#4E90DD#4E90DD

#4E90DD is a light, vivid cyan. Relative luminance 0.268; OKLCH L 64.5% C 0.134 H 253.7°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#4E90DD
RGB	rgb(78, 144, 221)
HSL	hsl(212, 68%, 59%)
HSV	hsv(212, 65%, 87%)
CMYK	cmyk(64.7%, 34.8%, 0%, 13.3%)
CIE-LAB	lab(58.77, 2.94, -45.47)
CIE-LCH	lch(58.77, 45.57, 273.70°)
OKLab	oklab(64.48% -0.0378 -0.1289)
OKLCH	oklch(64.48% 0.134 253.7)
XYZ	xyz(26.1615, 26.7841, 72.1837)
Luminance	0.2679 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E90DD #DD9B4E

analogous

#4ED7DD #4E90DD #534EDD

triadic

#4E90DD #DD4E90 #90DD4E

tetradic

#4E90DD #DD4ED7 #DD9B4E #4EDD53

square

#4E90DD #DD4ED7 #DD9B4E #4EDD53

split-complementary

#4E90DD #DD534E #D7DD4E

monochromatic

#1C5494 #2671C7 #4E90DD #81B0E7 #B5D0F1

Accessibility & contrast

On white

3.30

#4E90DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#4E90DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90DD

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E90DD	#FFFFFF	#000000	##000000
##4E90DD	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E95E0

Deuteranopia (green-blind)

#5A87DB

Tritanopia (blue-blind)

#00A2AC

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4e90dd;
/* rgb */ color: rgb(78, 144, 221);
/* oklch */ color: oklch(64.5% 0.134 253.7);

Tailwind

colors: {
  custom: {
    50: '#8db0e8',
    500: '#4e90dd',
    950: '#000000',
  },
}

SCSS

$custom: #4e90dd;
$custom-light: #8db0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4e90dd",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 221
  },
  "hsl": {
    "h": 212.308,
    "s": 67.773,
    "l": 58.627
  },
  "oklch": {
    "l": 0.64482,
    "c": 0.13437,
    "h": 253.7
  },
  "luminance": 0.26787
}

Semantic roles & 50–950 ramp

primary

#4E90DD

secondary

#E0C6A7

accent

#9B3DEB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4E90DD

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

Preview Lab → · Contrast checker → · Palette generator →