#4A90FF#4A90FF

#4A90FF is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.3% C 0.179 H 259.3°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#4A90FF
RGB	rgb(74, 144, 255)
HSL	hsl(217, 100%, 65%)
HSV	hsv(217, 71%, 100%)
CMYK	cmyk(71%, 43.5%, 0%, 0%)
CIE-LAB	lab(60.44, 14.08, -61.62)
CIE-LCH	lch(60.44, 63.21, 282.87°)
OKLab	oklab(66.33% -0.0333 -0.1764)
OKLCH	oklch(66.33% 0.179 259.3)
XYZ	xyz(30.8408, 28.6190, 98.4870)
Luminance	0.2862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A90FF #FFB94A

analogous

#4AEAFF #4A90FF #5F4AFF

triadic

#4A90FF #FF4A90 #90FF4A

tetradic

#4A90FF #FF4AEA #FFB94A #4AFF5F

square

#4A90FF #FF4AEA #FFB94A #4AFF5F

split-complementary

#4A90FF #FF5F4A #EAFF4A

monochromatic

#0050CF #0D6AFF #4A90FF #87B6FF #C4DBFF

Accessibility & contrast

On white

3.12

#4A90FF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#4A90FF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A90FF

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A90FF	#FFFFFF	#000000	##000000
##4A90FF	1.00	3.12	6.72	6.72
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#599BFF

Deuteranopia (green-blind)

#368AFD

Tritanopia (blue-blind)

#00AABB

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4a90ff;
/* rgb */ color: rgb(74, 144, 255);
/* oklch */ color: oklch(66.3% 0.179 259.3);

Tailwind

colors: {
  custom: {
    50: '#91afff',
    500: '#4a90ff',
    950: '#000000',
  },
}

SCSS

$custom: #4a90ff;
$custom-light: #91afff;
$custom-dark: #000000;

JSON

{
  "hex": "#4a90ff",
  "rgb": {
    "r": 74,
    "g": 144,
    "b": 255
  },
  "hsl": {
    "h": 216.796,
    "s": 100,
    "l": 64.51
  },
  "oklch": {
    "l": 0.66329,
    "c": 0.17948,
    "h": 259.3
  },
  "luminance": 0.28622
}

Semantic roles & 50–950 ramp

primary

#4A90FF

secondary

#F2D9B3

accent

#8D00E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1018

muted

#7E7F86

Preview Lab

Preview with #4A90FF

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

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