#4A90DA#4A90DA

#4A90DA is a light, vivid cyan. Relative luminance 0.265; OKLCH L 64.2% C 0.132 H 251.7°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#4A90DA
RGB	rgb(74, 144, 218)
HSL	hsl(211, 66%, 57%)
HSV	hsv(211, 66%, 85%)
CMYK	cmyk(66.1%, 33.9%, 0%, 14.5%)
CIE-LAB	lab(58.47, 1.26, -44.28)
CIE-LCH	lch(58.47, 44.30, 271.63°)
OKLab	oklab(64.16% -0.0415 -0.1255)
OKLCH	oklch(64.16% 0.132 251.7)
XYZ	xyz(25.4475, 26.4617, 70.0826)
Luminance	0.2646 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A90DA #DA944A

analogous

#4AD8DA #4A90DA #4C4ADA

triadic

#4A90DA #DA4A90 #90DA4A

tetradic

#4A90DA #DA4AD8 #DA944A #4ADA4C

square

#4A90DA #DA4AD8 #DA944A #4ADA4C

split-complementary

#4A90DA #DA4C4A #D8DA4A

monochromatic

#1D538D #2771C0 #4A90DA #7DAFE4 #B0CEEF

Accessibility & contrast

On white

3.34

#4A90DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#4A90DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A90DA

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A90DA	#FFFFFF	#000000	##000000
##4A90DA	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F94DD

Deuteranopia (green-blind)

#5B86D9

Tritanopia (blue-blind)

#00A1AB

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4a90da;
/* rgb */ color: rgb(74, 144, 218);
/* oklch */ color: oklch(64.2% 0.132 251.7);

Tailwind

colors: {
  custom: {
    50: '#8bb0e6',
    500: '#4a90da',
    950: '#000000',
  },
}

SCSS

$custom: #4a90da;
$custom-light: #8bb0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4a90da",
  "rgb": {
    "r": 74,
    "g": 144,
    "b": 218
  },
  "hsl": {
    "h": 210.833,
    "s": 66.055,
    "l": 57.255
  },
  "oklch": {
    "l": 0.64155,
    "c": 0.1322,
    "h": 251.7
  },
  "luminance": 0.26464
}

Semantic roles & 50–950 ramp

primary

#4A90DA

secondary

#DDC1A3

accent

#963FE9

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4A90DA

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

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