#4B90E9#4B90E9

#4B90E9 is a light, vivid cyan. Relative luminance 0.273; OKLCH L 65.0% C 0.151 H 255.8°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#4B90E9
RGB	rgb(75, 144, 233)
HSL	hsl(214, 78%, 60%)
HSV	hsv(214, 68%, 91%)
CMYK	cmyk(67.8%, 38.2%, 0%, 8.6%)
CIE-LAB	lab(59.27, 6.56, -51.36)
CIE-LCH	lch(59.27, 51.78, 277.28°)
OKLab	oklab(65.04% -0.037 -0.1462)
OKLCH	oklch(65.04% 0.151 255.8)
XYZ	xyz(27.5775, 27.3227, 80.8954)
Luminance	0.2733 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B90E9 #E9A44B

analogous

#4BDFE9 #4B90E9 #554BE9

triadic

#4B90E9 #E94B90 #90E94B

tetradic

#4B90E9 #E94BDF #E9A44B #4BE955

square

#4B90E9 #E94BDF #E9A44B #4BE955

split-complementary

#4B90E9 #E9554B #DFE94B

monochromatic

#1454A5 #1B6FDC #4B90E9 #82B2F0 #B8D3F6

Accessibility & contrast

On white

3.25

#4B90E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#4B90E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B90E9

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B90E9	#FFFFFF	#000000	##000000
##4B90E9	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6897ED

Deuteranopia (green-blind)

#5088E7

Tritanopia (blue-blind)

#00A5B1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4b90e9;
/* rgb */ color: rgb(75, 144, 233);
/* oklch */ color: oklch(65.0% 0.151 255.8);

Tailwind

colors: {
  custom: {
    50: '#8eb0f0',
    500: '#4b90e9',
    950: '#000000',
  },
}

SCSS

$custom: #4b90e9;
$custom-light: #8eb0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b90e9",
  "rgb": {
    "r": 75,
    "g": 144,
    "b": 233
  },
  "hsl": {
    "h": 213.797,
    "s": 78.218,
    "l": 60.392
  },
  "oklch": {
    "l": 0.65038,
    "c": 0.15085,
    "h": 255.8
  },
  "luminance": 0.27326
}

Semantic roles & 50–950 ramp

primary

#4B90E9

secondary

#E6CCAA

accent

#800BDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4B90E9

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

Preview Lab → · Contrast checker → · Palette generator →