#4C90E9#4C90E9

#4C90E9 is a light, vivid cyan. Relative luminance 0.274; OKLCH L 65.1% C 0.150 H 256.0°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#4C90E9
RGB	rgb(76, 144, 233)
HSL	hsl(214, 78%, 61%)
HSV	hsv(214, 67%, 91%)
CMYK	cmyk(67.4%, 38.2%, 0%, 8.6%)
CIE-LAB	lab(59.31, 6.72, -51.30)
CIE-LCH	lch(59.31, 51.74, 277.46°)
OKLab	oklab(65.08% -0.0363 -0.146)
OKLCH	oklch(65.08% 0.15 256)
XYZ	xyz(27.6564, 27.3634, 80.8991)
Luminance	0.2737 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C90E9 #E9A54C

analogous

#4CDEE9 #4C90E9 #574CE9

triadic

#4C90E9 #E94C90 #90E94C

tetradic

#4C90E9 #E94CDE #E9A54C #4CE957

square

#4C90E9 #E94CDE #E9A54C #4CE957

split-complementary

#4C90E9 #E9574C #DEE94C

monochromatic

#1454A6 #1B6FDD #4C90E9 #83B2F0 #B9D4F6

Accessibility & contrast

On white

3.24

#4C90E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#4C90E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C90E9

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C90E9	#FFFFFF	#000000	##000000
##4C90E9	1.00	3.24	6.47	6.47
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6897ED

Deuteranopia (green-blind)

#5088E7

Tritanopia (blue-blind)

#00A5B1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4c90e9;
/* rgb */ color: rgb(76, 144, 233);
/* oklch */ color: oklch(65.1% 0.150 256.0);

Tailwind

colors: {
  custom: {
    50: '#8eb0f0',
    500: '#4c90e9',
    950: '#000000',
  },
}

SCSS

$custom: #4c90e9;
$custom-light: #8eb0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c90e9",
  "rgb": {
    "r": 76,
    "g": 144,
    "b": 233
  },
  "hsl": {
    "h": 214.013,
    "s": 78.109,
    "l": 60.588
  },
  "oklch": {
    "l": 0.65078,
    "c": 0.15049,
    "h": 256
  },
  "luminance": 0.27366
}

Semantic roles & 50–950 ramp

primary

#4C90E9

secondary

#E6CCAB

accent

#810BDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4C90E9

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

Preview Lab → · Contrast checker → · Palette generator →