#4A90CC#4A90CC

#4A90CC is a light, moderate cyan. Relative luminance 0.258; OKLCH L 63.4% C 0.115 H 246.7°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#4A90CC
RGB	rgb(74, 144, 204)
HSL	hsl(208, 56%, 55%)
HSV	hsv(208, 64%, 80%)
CMYK	cmyk(63.7%, 29.4%, 0%, 20%)
CIE-LAB	lab(57.81, -3.47, -37.47)
CIE-LCH	lch(57.81, 37.63, 264.72°)
OKLab	oklab(63.42% -0.0454 -0.1057)
OKLCH	oklch(63.42% 0.115 246.7)
XYZ	xyz(23.6923, 25.7597, 60.8386)
Luminance	0.2576 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A90CC #CC864A

analogous

#4ACCC7 #4A90CC #4A4FCC

triadic

#4A90CC #CC4A90 #90CC4A

tetradic

#4A90CC #C74ACC #CC864A #4FCC4A

square

#4A90CC #C74ACC #CC864A #4FCC4A

split-complementary

#4A90CC #CC4A4F #CCC74A

monochromatic

#225179 #3071A9 #4A90CC #7AADD9 #A9CBE7

Accessibility & contrast

On white

3.41

#4A90CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#4A90CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A90CC

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A90CC	#FFFFFF	#000000	##000000
##4A90CC	1.00	3.41	6.15	6.15
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7692CF

Deuteranopia (green-blind)

#6485CB

Tritanopia (blue-blind)

#009EA5

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4a90cc;
/* rgb */ color: rgb(74, 144, 204);
/* oklch */ color: oklch(63.4% 0.115 246.7);

Tailwind

colors: {
  custom: {
    50: '#89b0dc',
    500: '#4a90cc',
    950: '#000000',
  },
}

SCSS

$custom: #4a90cc;
$custom-light: #89b0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4a90cc",
  "rgb": {
    "r": 74,
    "g": 144,
    "b": 204
  },
  "hsl": {
    "h": 207.692,
    "s": 56.034,
    "l": 54.51
  },
  "oklch": {
    "l": 0.63415,
    "c": 0.11506,
    "h": 246.7
  },
  "luminance": 0.25762
}

Semantic roles & 50–950 ramp

primary

#4A90CC

secondary

#D4B79D

accent

#8E48DF

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0D1015

muted

#7D7F83

Preview Lab

Preview with #4A90CC

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

Preview Lab → · Contrast checker → · Palette generator →