#4B90DC#4B90DC

#4B90DC is a light, vivid cyan. Relative luminance 0.266; OKLCH L 64.3% C 0.134 H 252.6°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#4B90DC
RGB	rgb(75, 144, 220)
HSL	hsl(211, 67%, 58%)
HSV	hsv(211, 66%, 86%)
CMYK	cmyk(65.9%, 34.5%, 0%, 13.7%)
CIE-LAB	lab(58.61, 2.10, -45.18)
CIE-LCH	lch(58.61, 45.23, 272.66°)
OKLab	oklab(64.3% -0.0402 -0.1281)
OKLCH	oklch(64.3% 0.134 252.6)
XYZ	xyz(25.7884, 26.6071, 71.4729)
Luminance	0.2661 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B90DC #DC974B

analogous

#4BD9DC #4B90DC #4E4BDC

triadic

#4B90DC #DC4B90 #90DC4B

tetradic

#4B90DC #DC4BD9 #DC974B #4BDC4E

square

#4B90DC #DC4BD9 #DC974B #4BDC4E

split-complementary

#4B90DC #DC4E4B #D9DC4B

monochromatic

#1C5391 #2671C4 #4B90DC #7EB0E6 #B1CFF0

Accessibility & contrast

On white

3.32

#4B90DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#4B90DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B90DC

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B90DC	#FFFFFF	#000000	##000000
##4B90DC	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F95DF

Deuteranopia (green-blind)

#5A87DA

Tritanopia (blue-blind)

#00A2AC

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4b90dc;
/* rgb */ color: rgb(75, 144, 220);
/* oklch */ color: oklch(64.3% 0.134 252.6);

Tailwind

colors: {
  custom: {
    50: '#8bb0e7',
    500: '#4b90dc',
    950: '#000000',
  },
}

SCSS

$custom: #4b90dc;
$custom-light: #8bb0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b90dc",
  "rgb": {
    "r": 75,
    "g": 144,
    "b": 220
  },
  "hsl": {
    "h": 211.448,
    "s": 67.442,
    "l": 57.843
  },
  "oklch": {
    "l": 0.64304,
    "c": 0.1343,
    "h": 252.6
  },
  "luminance": 0.2661
}

Semantic roles & 50–950 ramp

primary

#4B90DC

secondary

#DEC3A4

accent

#983DEA

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4B90DC

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

Preview Lab → · Contrast checker → · Palette generator →