#4E90D9#4E90D9

#4E90D9 is a light, vivid cyan. Relative luminance 0.266; OKLCH L 64.3% C 0.129 H 252.5°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#4E90D9
RGB	rgb(78, 144, 217)
HSL	hsl(212, 65%, 58%)
HSV	hsv(212, 64%, 85%)
CMYK	cmyk(64.1%, 33.6%, 0%, 14.9%)
CIE-LAB	lab(58.58, 1.59, -43.55)
CIE-LCH	lch(58.58, 43.58, 272.10°)
OKLab	oklab(64.26% -0.0388 -0.1233)
OKLCH	oklch(64.26% 0.129 252.5)
XYZ	xyz(25.6350, 26.5735, 69.4104)
Luminance	0.2658 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E90D9 #D9974E

analogous

#4ED5D9 #4E90D9 #524ED9

triadic

#4E90D9 #D94E90 #90D94E

tetradic

#4E90D9 #D94ED5 #D9974E #4ED952

square

#4E90D9 #D94ED5 #D9974E #4ED952

split-complementary

#4E90D9 #D9524E #D5D94E

monochromatic

#1F538E #2971C0 #4E90D9 #80B0E4 #B3CFEF

Accessibility & contrast

On white

3.33

#4E90D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#4E90D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90D9

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E90D9	#FFFFFF	#000000	##000000
##4E90D9	1.00	3.33	6.32	6.32
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7094DC

Deuteranopia (green-blind)

#5D87D8

Tritanopia (blue-blind)

#00A1AA

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4e90d9;
/* rgb */ color: rgb(78, 144, 217);
/* oklch */ color: oklch(64.3% 0.129 252.5);

Tailwind

colors: {
  custom: {
    50: '#8cb0e5',
    500: '#4e90d9',
    950: '#000000',
  },
}

SCSS

$custom: #4e90d9;
$custom-light: #8cb0e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4e90d9",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 217
  },
  "hsl": {
    "h": 211.511,
    "s": 64.651,
    "l": 57.843
  },
  "oklch": {
    "l": 0.64263,
    "c": 0.1293,
    "h": 252.5
  },
  "luminance": 0.26576
}

Semantic roles & 50–950 ramp

primary

#4E90D9

secondary

#DDC3A6

accent

#9840E8

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4E90D9

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

Preview Lab → · Contrast checker → · Palette generator →