#4B90D9#4B90D9

#4B90D9 is a light, vivid cyan. Relative luminance 0.265; OKLCH L 64.1% C 0.131 H 251.7°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#4B90D9
RGB	rgb(75, 144, 217)
HSL	hsl(211, 65%, 57%)
HSV	hsv(211, 65%, 85%)
CMYK	cmyk(65.4%, 33.6%, 0%, 14.9%)
CIE-LAB	lab(58.46, 1.08, -43.74)
CIE-LCH	lch(58.46, 43.75, 271.42°)
OKLab	oklab(64.14% -0.041 -0.1239)
OKLCH	oklch(64.14% 0.131 251.7)
XYZ	xyz(25.3947, 26.4496, 69.3991)
Luminance	0.2645 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B90D9 #D9944B

analogous

#4BD7D9 #4B90D9 #4D4BD9

triadic

#4B90D9 #D94B90 #90D94B

tetradic

#4B90D9 #D94BD7 #D9944B #4BD94D

square

#4B90D9 #D94BD7 #D9944B #4BD94D

split-complementary

#4B90D9 #D94D4B #D7D94B

monochromatic

#1E538C #2871BF #4B90D9 #7EAFE4 #B0CEEE

Accessibility & contrast

On white

3.34

#4B90D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#4B90D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B90D9

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B90D9	#FFFFFF	#000000	##000000
##4B90D9	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7094DC

Deuteranopia (green-blind)

#5C86D8

Tritanopia (blue-blind)

#00A1AA

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4b90d9;
/* rgb */ color: rgb(75, 144, 217);
/* oklch */ color: oklch(64.1% 0.131 251.7);

Tailwind

colors: {
  custom: {
    50: '#8bb0e5',
    500: '#4b90d9',
    950: '#000000',
  },
}

SCSS

$custom: #4b90d9;
$custom-light: #8bb0e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4b90d9",
  "rgb": {
    "r": 75,
    "g": 144,
    "b": 217
  },
  "hsl": {
    "h": 210.845,
    "s": 65.138,
    "l": 57.255
  },
  "oklch": {
    "l": 0.6414,
    "c": 0.13054,
    "h": 251.7
  },
  "luminance": 0.26452
}

Semantic roles & 50–950 ramp

primary

#4B90D9

secondary

#DDC1A3

accent

#9640E8

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4B90D9

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

Preview Lab → · Contrast checker → · Palette generator →