#4C90BE#4C90BE

#4C90BE is a light, moderate cyan. Relative luminance 0.252; OKLCH L 62.8% C 0.098 H 240.4°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#4C90BE
RGB	rgb(76, 144, 190)
HSL	hsl(204, 47%, 52%)
HSV	hsv(204, 60%, 75%)
CMYK	cmyk(60%, 24.2%, 0%, 25.5%)
CIE-LAB	lab(57.27, -7.68, -30.40)
CIE-LCH	lch(57.27, 31.36, 255.82°)
OKLab	oklab(62.81% -0.0485 -0.0853)
OKLCH	oklch(62.81% 0.098 240.4)
XYZ	xyz(22.2445, 25.1986, 52.3968)
Luminance	0.2520 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C90BE #BE7A4C

analogous

#4CBEB3 #4C90BE #4C57BE

triadic

#4C90BE #BE4C90 #90BE4C

tetradic

#4C90BE #B34CBE #BE7A4C #57BE4C

square

#4C90BE #B34CBE #BE7A4C #57BE4C

split-complementary

#4C90BE #BE4C57 #BEB34C

monochromatic

#264E69 #377096 #4C90BE #79ACCE #A6C8DF

Accessibility & contrast

On white

3.48

#4C90BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#4C90BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C90BE

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C90BE	#FFFFFF	#000000	##000000
##4C90BE	1.00	3.48	6.04	6.04
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B90C0

Deuteranopia (green-blind)

#6C84BD

Tritanopia (blue-blind)

#009BA0

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4c90be;
/* rgb */ color: rgb(76, 144, 190);
/* oklch */ color: oklch(62.8% 0.098 240.4);

Tailwind

colors: {
  custom: {
    50: '#88b0d1',
    500: '#4c90be',
    950: '#000000',
  },
}

SCSS

$custom: #4c90be;
$custom-light: #88b0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4c90be",
  "rgb": {
    "r": 76,
    "g": 144,
    "b": 190
  },
  "hsl": {
    "h": 204.211,
    "s": 46.721,
    "l": 52.157
  },
  "oklch": {
    "l": 0.62807,
    "c": 0.09806,
    "h": 240.4
  },
  "luminance": 0.25201
}

Semantic roles & 50–950 ramp

primary

#4C90BE

secondary

#CCAE9A

accent

#8751D6

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4C90BE

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

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