#4C90CE#4C90CE

#4C90CE is a light, moderate cyan. Relative luminance 0.259; OKLCH L 63.6% C 0.117 H 248.1°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#4C90CE
RGB	rgb(76, 144, 206)
HSL	hsl(209, 57%, 55%)
HSV	hsv(209, 63%, 81%)
CMYK	cmyk(63.1%, 30.1%, 0%, 19.2%)
CIE-LAB	lab(57.98, -2.44, -38.33)
CIE-LCH	lch(57.98, 38.41, 266.35°)
OKLab	oklab(63.6% -0.0434 -0.1082)
OKLCH	oklch(63.6% 0.117 248.1)
XYZ	xyz(24.0902, 25.9369, 62.1173)
Luminance	0.2594 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C90CE #CE8A4C

analogous

#4CCECB #4C90CE #4C4FCE

triadic

#4C90CE #CE4C90 #90CE4C

tetradic

#4C90CE #CB4CCE #CE8A4C #4FCE4C

square

#4C90CE #CB4CCE #CE8A4C #4FCE4C

split-complementary

#4C90CE #CE4C4F #CECB4C

monochromatic

#22527D #2F71AD #4C90CE #7CAEDB #ACCCE8

Accessibility & contrast

On white

3.39

#4C90CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#4C90CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C90CE

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C90CE	#FFFFFF	#000000	##000000
##4C90CE	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7592D1

Deuteranopia (green-blind)

#6386CD

Tritanopia (blue-blind)

#009FA6

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4c90ce;
/* rgb */ color: rgb(76, 144, 206);
/* oklch */ color: oklch(63.6% 0.117 248.1);

Tailwind

colors: {
  custom: {
    50: '#8ab0dd',
    500: '#4c90ce',
    950: '#000000',
  },
}

SCSS

$custom: #4c90ce;
$custom-light: #8ab0dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4c90ce",
  "rgb": {
    "r": 76,
    "g": 144,
    "b": 206
  },
  "hsl": {
    "h": 208.615,
    "s": 57.018,
    "l": 55.294
  },
  "oklch": {
    "l": 0.63599,
    "c": 0.11655,
    "h": 248.1
  },
  "luminance": 0.25939
}

Semantic roles & 50–950 ramp

primary

#4C90CE

secondary

#D6BAA0

accent

#9048E0

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #4C90CE

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

Preview Lab → · Contrast checker → · Palette generator →