#4C90E5#4C90E5

#4C90E5 is a light, vivid cyan. Relative luminance 0.271; OKLCH L 64.8% C 0.145 H 255.1°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#4C90E5
RGB	rgb(76, 144, 229)
HSL	hsl(213, 75%, 60%)
HSV	hsv(213, 67%, 90%)
CMYK	cmyk(66.8%, 37.1%, 0%, 10.2%)
CIE-LAB	lab(59.10, 5.34, -49.41)
CIE-LCH	lch(59.10, 49.70, 276.17°)
OKLab	oklab(64.85% -0.0373 -0.1405)
OKLCH	oklch(64.85% 0.145 255.1)
XYZ	xyz(27.0915, 27.1374, 77.9238)
Luminance	0.2714 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C90E5 #E5A14C

analogous

#4CDDE5 #4C90E5 #544CE5

triadic

#4C90E5 #E54C90 #90E54C

tetradic

#4C90E5 #E54CDD #E5A14C #4CE554

square

#4C90E5 #E54CDD #E5A14C #4CE554

split-complementary

#4C90E5 #E5544C #DDE54C

monochromatic

#17549F #1F70D5 #4C90E5 #81B1ED #B7D2F5

Accessibility & contrast

On white

3.27

#4C90E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#4C90E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C90E5

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C90E5	#FFFFFF	#000000	##000000
##4C90E5	1.00	3.27	6.43	6.43
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A96E8

Deuteranopia (green-blind)

#5488E3

Tritanopia (blue-blind)

#00A4AF

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4c90e5;
/* rgb */ color: rgb(76, 144, 229);
/* oklch */ color: oklch(64.8% 0.145 255.1);

Tailwind

colors: {
  custom: {
    50: '#8db0ed',
    500: '#4c90e5',
    950: '#000000',
  },
}

SCSS

$custom: #4c90e5;
$custom-light: #8db0ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4c90e5",
  "rgb": {
    "r": 76,
    "g": 144,
    "b": 229
  },
  "hsl": {
    "h": 213.333,
    "s": 74.634,
    "l": 59.804
  },
  "oklch": {
    "l": 0.64848,
    "c": 0.14536,
    "h": 255.1
  },
  "luminance": 0.2714
}

Semantic roles & 50–950 ramp

primary

#4C90E5

secondary

#E4CAA9

accent

#9E37F1

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4C90E5

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

Preview Lab → · Contrast checker → · Palette generator →