#4A90D3#4A90D3

#4A90D3 is a light, vivid cyan. Relative luminance 0.261; OKLCH L 63.8% C 0.124 H 249.4°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#4A90D3
RGB	rgb(74, 144, 211)
HSL	hsl(209, 61%, 56%)
HSV	hsv(209, 65%, 83%)
CMYK	cmyk(64.9%, 31.8%, 0%, 17.3%)
CIE-LAB	lab(58.13, -1.12, -40.89)
CIE-LCH	lch(58.13, 40.91, 268.44°)
OKLab	oklab(63.78% -0.0434 -0.1157)
OKLCH	oklch(63.78% 0.124 249.4)
XYZ	xyz(24.5508, 26.1030, 65.3599)
Luminance	0.2611 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A90D3 #D38D4A

analogous

#4AD3D1 #4A90D3 #4A4BD3

triadic

#4A90D3 #D34A90 #90D34A

tetradic

#4A90D3 #D14AD3 #D38D4A #4BD34A

square

#4A90D3 #D14AD3 #D38D4A #4BD34A

split-complementary

#4A90D3 #D34A4B #D3D14A

monochromatic

#205283 #2C71B4 #4A90D3 #7BAEDF #ACCCEB

Accessibility & contrast

On white

3.38

#4A90D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#4A90D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A90D3

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A90D3	#FFFFFF	#000000	##000000
##4A90D3	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7393D6

Deuteranopia (green-blind)

#6086D2

Tritanopia (blue-blind)

#00A0A8

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4a90d3;
/* rgb */ color: rgb(74, 144, 211);
/* oklch */ color: oklch(63.8% 0.124 249.4);

Tailwind

colors: {
  custom: {
    50: '#8ab0e1',
    500: '#4a90d3',
    950: '#000000',
  },
}

SCSS

$custom: #4a90d3;
$custom-light: #8ab0e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4a90d3",
  "rgb": {
    "r": 74,
    "g": 144,
    "b": 211
  },
  "hsl": {
    "h": 209.343,
    "s": 60.889,
    "l": 55.882
  },
  "oklch": {
    "l": 0.63779,
    "c": 0.12353,
    "h": 249.4
  },
  "luminance": 0.26106
}

Semantic roles & 50–950 ramp

primary

#4A90D3

secondary

#D9BCA0

accent

#9244E4

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #4A90D3

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

Preview Lab → · Contrast checker → · Palette generator →