#4B90CE#4B90CE

#4B90CE is a light, moderate cyan. Relative luminance 0.259; OKLCH L 63.6% C 0.117 H 247.8°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#4B90CE
RGB	rgb(75, 144, 206)
HSL	hsl(208, 57%, 55%)
HSV	hsv(208, 64%, 81%)
CMYK	cmyk(63.6%, 30.1%, 0%, 19.2%)
CIE-LAB	lab(57.94, -2.62, -38.39)
CIE-LCH	lch(57.94, 38.48, 266.10°)
OKLab	oklab(63.56% -0.0441 -0.1084)
OKLCH	oklch(63.56% 0.117 247.8)
XYZ	xyz(24.0114, 25.8962, 62.1136)
Luminance	0.2590 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B90CE #CE894B

analogous

#4BCECA #4B90CE #4B4ECE

triadic

#4B90CE #CE4B90 #90CE4B

tetradic

#4B90CE #CA4BCE #CE894B #4ECE4B

square

#4B90CE #CA4BCE #CE894B #4ECE4B

split-complementary

#4B90CE #CE4B4E #CECA4B

monochromatic

#22527D #2F71AD #4B90CE #7BAEDB #ABCBE8

Accessibility & contrast

On white

3.40

#4B90CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#4B90CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B90CE

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B90CE	#FFFFFF	#000000	##000000
##4B90CE	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)

#7592D1

Deuteranopia (green-blind)

#6386CD

Tritanopia (blue-blind)

#009FA6

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4b90ce;
/* rgb */ color: rgb(75, 144, 206);
/* oklch */ color: oklch(63.6% 0.117 247.8);

Tailwind

colors: {
  custom: {
    50: '#89b0dd',
    500: '#4b90ce',
    950: '#000000',
  },
}

SCSS

$custom: #4b90ce;
$custom-light: #89b0dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4b90ce",
  "rgb": {
    "r": 75,
    "g": 144,
    "b": 206
  },
  "hsl": {
    "h": 208.397,
    "s": 57.205,
    "l": 55.098
  },
  "oklch": {
    "l": 0.63558,
    "c": 0.11701,
    "h": 247.8
  },
  "luminance": 0.25899
}

Semantic roles & 50–950 ramp

primary

#4B90CE

secondary

#D6B99F

accent

#9047E0

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #4B90CE

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

Preview Lab → · Contrast checker → · Palette generator →