#4B90E7#4B90E7

#4B90E7 is a light, vivid cyan. Relative luminance 0.272; OKLCH L 64.9% C 0.148 H 255.3°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#4B90E7
RGB	rgb(75, 144, 231)
HSL	hsl(213, 76%, 60%)
HSV	hsv(213, 68%, 91%)
CMYK	cmyk(67.5%, 37.7%, 0%, 9.4%)
CIE-LAB	lab(59.17, 5.87, -50.42)
CIE-LCH	lch(59.17, 50.76, 276.64°)
OKLab	oklab(64.92% -0.0375 -0.1435)
OKLCH	oklch(64.92% 0.148 255.3)
XYZ	xyz(27.2934, 27.2091, 79.3993)
Luminance	0.2721 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B90E7 #E7A24B

analogous

#4BDEE7 #4B90E7 #544BE7

triadic

#4B90E7 #E74B90 #90E74B

tetradic

#4B90E7 #E74BDE #E7A24B #4BE754

square

#4B90E7 #E74BDE #E7A24B #4BE754

split-complementary

#4B90E7 #E7544B #DEE74B

monochromatic

#1654A2 #1D70D8 #4B90E7 #81B1EE #B7D3F5

Accessibility & contrast

On white

3.26

#4B90E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#4B90E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B90E7

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B90E7	#FFFFFF	#000000	##000000
##4B90E7	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6996EB

Deuteranopia (green-blind)

#5288E5

Tritanopia (blue-blind)

#00A4B0

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4b90e7;
/* rgb */ color: rgb(75, 144, 231);
/* oklch */ color: oklch(64.9% 0.148 255.3);

Tailwind

colors: {
  custom: {
    50: '#8db0ef',
    500: '#4b90e7',
    950: '#000000',
  },
}

SCSS

$custom: #4b90e7;
$custom-light: #8db0ef;
$custom-dark: #000000;

JSON

{
  "hex": "#4b90e7",
  "rgb": {
    "r": 75,
    "g": 144,
    "b": 231
  },
  "hsl": {
    "h": 213.462,
    "s": 76.471,
    "l": 60
  },
  "oklch": {
    "l": 0.64923,
    "c": 0.14829,
    "h": 255.3
  },
  "luminance": 0.27212
}

Semantic roles & 50–950 ramp

primary

#4B90E7

secondary

#E5CAA9

accent

#9F35F3

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4B90E7

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

Preview Lab → · Contrast checker → · Palette generator →