#4A90E1#4A90E1

#4A90E1 is a light, vivid cyan. Relative luminance 0.268; OKLCH L 64.5% C 0.141 H 253.7°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#4A90E1
RGB	rgb(74, 144, 225)
HSL	hsl(212, 72%, 59%)
HSV	hsv(212, 67%, 88%)
CMYK	cmyk(67.1%, 36%, 0%, 11.8%)
CIE-LAB	lab(58.82, 3.65, -47.63)
CIE-LCH	lch(58.82, 47.77, 274.38°)
OKLab	oklab(64.54% -0.0397 -0.1353)
OKLCH	oklch(64.54% 0.141 253.7)
XYZ	xyz(26.3829, 26.8359, 75.0090)
Luminance	0.2684 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A90E1 #E19B4A

analogous

#4ADCE1 #4A90E1 #4F4AE1

triadic

#4A90E1 #E14A90 #90E14A

tetradic

#4A90E1 #E14ADC #E19B4A #4AE14F

square

#4A90E1 #E14ADC #E19B4A #4AE14F

split-complementary

#4A90E1 #E14F4A #DCE14A

monochromatic

#195497 #2271CC #4A90E1 #7EB0EA #B3D0F2

Accessibility & contrast

On white

3.30

#4A90E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#4A90E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A90E1

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A90E1	#FFFFFF	#000000	##000000
##4A90E1	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C95E4

Deuteranopia (green-blind)

#5687DF

Tritanopia (blue-blind)

#00A3AE

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4a90e1;
/* rgb */ color: rgb(74, 144, 225);
/* oklch */ color: oklch(64.5% 0.141 253.7);

Tailwind

colors: {
  custom: {
    50: '#8cb0eb',
    500: '#4a90e1',
    950: '#000000',
  },
}

SCSS

$custom: #4a90e1;
$custom-light: #8cb0eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4a90e1",
  "rgb": {
    "r": 74,
    "g": 144,
    "b": 225
  },
  "hsl": {
    "h": 212.185,
    "s": 71.564,
    "l": 58.627
  },
  "oklch": {
    "l": 0.64542,
    "c": 0.14102,
    "h": 253.7
  },
  "luminance": 0.26839
}

Semantic roles & 50–950 ramp

primary

#4A90E1

secondary

#E1C6A6

accent

#9A39EE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4A90E1

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

Preview Lab → · Contrast checker → · Palette generator →