#4A90DF#4A90DF

#4A90DF is a light, vivid cyan. Relative luminance 0.267; OKLCH L 64.4% C 0.138 H 253.1°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#4A90DF
RGB	rgb(74, 144, 223)
HSL	hsl(212, 70%, 58%)
HSV	hsv(212, 67%, 87%)
CMYK	cmyk(66.8%, 35.4%, 0%, 12.5%)
CIE-LAB	lab(58.72, 2.97, -46.68)
CIE-LCH	lch(58.72, 46.77, 273.63°)
OKLab	oklab(64.43% -0.0402 -0.1325)
OKLCH	oklch(64.43% 0.138 253.1)
XYZ	xyz(26.1117, 26.7274, 73.5805)
Luminance	0.2673 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A90DF #DF994A

analogous

#4ADADF #4A90DF #4E4ADF

triadic

#4A90DF #DF4A90 #90DF4A

tetradic

#4A90DF #DF4ADA #DF994A #4ADF4E

square

#4A90DF #DF4ADA #DF994A #4ADF4E

split-complementary

#4A90DF #DF4E4A #DADF4A

monochromatic

#1A5494 #2371C8 #4A90DF #7EB0E8 #B2D0F1

Accessibility & contrast

On white

3.31

#4A90DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#4A90DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A90DF

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A90DF	#FFFFFF	#000000	##000000
##4A90DF	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D95E2

Deuteranopia (green-blind)

#5887DD

Tritanopia (blue-blind)

#00A2AD

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4a90df;
/* rgb */ color: rgb(74, 144, 223);
/* oklch */ color: oklch(64.4% 0.138 253.1);

Tailwind

colors: {
  custom: {
    50: '#8bb0e9',
    500: '#4a90df',
    950: '#000000',
  },
}

SCSS

$custom: #4a90df;
$custom-light: #8bb0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4a90df",
  "rgb": {
    "r": 74,
    "g": 144,
    "b": 223
  },
  "hsl": {
    "h": 211.812,
    "s": 69.953,
    "l": 58.235
  },
  "oklch": {
    "l": 0.64431,
    "c": 0.13848,
    "h": 253.1
  },
  "luminance": 0.2673
}

Semantic roles & 50–950 ramp

primary

#4A90DF

secondary

#E0C4A5

accent

#993BED

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4A90DF

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

Preview Lab → · Contrast checker → · Palette generator →