#4C90CD#4C90CD

#4C90CD is a light, moderate cyan. Relative luminance 0.259; OKLCH L 63.5% C 0.115 H 247.7°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#4C90CD
RGB	rgb(76, 144, 205)
HSL	hsl(208, 56%, 55%)
HSV	hsv(208, 63%, 80%)
CMYK	cmyk(62.9%, 29.8%, 0%, 19.6%)
CIE-LAB	lab(57.93, -2.77, -37.84)
CIE-LCH	lch(57.93, 37.94, 265.81°)
OKLab	oklab(63.55% -0.0437 -0.1067)
OKLCH	oklch(63.55% 0.115 247.7)
XYZ	xyz(23.9691, 25.8885, 61.4796)
Luminance	0.2589 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C90CD #CD894C

analogous

#4CCDC9 #4C90CD #4C4FCD

triadic

#4C90CD #CD4C90 #90CD4C

tetradic

#4C90CD #C94CCD #CD894C #4FCD4C

square

#4C90CD #C94CCD #CD894C #4FCD4C

split-complementary

#4C90CD #CD4C4F #CDC94C

monochromatic

#23527C #3071AC #4C90CD #7CAEDA #ACCBE8

Accessibility & contrast

On white

3.40

#4C90CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#4C90CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C90CD

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C90CD	#FFFFFF	#000000	##000000
##4C90CD	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7592D0

Deuteranopia (green-blind)

#6486CC

Tritanopia (blue-blind)

#009EA5

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4c90cd;
/* rgb */ color: rgb(76, 144, 205);
/* oklch */ color: oklch(63.5% 0.115 247.7);

Tailwind

colors: {
  custom: {
    50: '#8ab0dc',
    500: '#4c90cd',
    950: '#000000',
  },
}

SCSS

$custom: #4c90cd;
$custom-light: #8ab0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4c90cd",
  "rgb": {
    "r": 76,
    "g": 144,
    "b": 205
  },
  "hsl": {
    "h": 208.372,
    "s": 56.332,
    "l": 55.098
  },
  "oklch": {
    "l": 0.63548,
    "c": 0.11534,
    "h": 247.7
  },
  "luminance": 0.25891
}

Semantic roles & 50–950 ramp

primary

#4C90CD

secondary

#D5B99F

accent

#9048E0

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #4C90CD

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

Preview Lab → · Contrast checker → · Palette generator →