#4B90D7#4B90D7

#4B90D7 is a light, vivid cyan. Relative luminance 0.263; OKLCH L 64.0% C 0.128 H 251.1°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#4B90D7
RGB	rgb(75, 144, 215)
HSL	hsl(210, 64%, 57%)
HSV	hsv(210, 65%, 84%)
CMYK	cmyk(65.1%, 33%, 0%, 15.7%)
CIE-LAB	lab(58.36, 0.40, -42.77)
CIE-LCH	lch(58.36, 42.77, 270.54°)
OKLab	oklab(64.03% -0.0415 -0.1211)
OKLCH	oklch(64.03% 0.128 251.1)
XYZ	xyz(25.1361, 26.3462, 68.0374)
Luminance	0.2635 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B90D7 #D7924B

analogous

#4BD6D7 #4B90D7 #4C4BD7

triadic

#4B90D7 #D74B90 #90D74B

tetradic

#4B90D7 #D74BD6 #D7924B #4BD74C

square

#4B90D7 #D74BD6 #D7924B #4BD74C

split-complementary

#4B90D7 #D74C4B #D6D74B

monochromatic

#1E5389 #2A71BB #4B90D7 #7DAFE2 #AFCEED

Accessibility & contrast

On white

3.35

#4B90D7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#4B90D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B90D7

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B90D7	#FFFFFF	#000000	##000000
##4B90D7	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7194DA

Deuteranopia (green-blind)

#5E86D6

Tritanopia (blue-blind)

#00A1AA

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4b90d7;
/* rgb */ color: rgb(75, 144, 215);
/* oklch */ color: oklch(64.0% 0.128 251.1);

Tailwind

colors: {
  custom: {
    50: '#8bb0e3',
    500: '#4b90d7',
    950: '#000000',
  },
}

SCSS

$custom: #4b90d7;
$custom-light: #8bb0e3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b90d7",
  "rgb": {
    "r": 75,
    "g": 144,
    "b": 215
  },
  "hsl": {
    "h": 210.429,
    "s": 63.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.64032,
    "c": 0.12804,
    "h": 251.1
  },
  "luminance": 0.26349
}

Semantic roles & 50–950 ramp

primary

#4B90D7

secondary

#DBBFA2

accent

#9541E7

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #4B90D7

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

Preview Lab → · Contrast checker → · Palette generator →