#4189E4#4189E4

#4189E4 is a light, vivid cyan. Relative luminance 0.246; OKLCH L 62.8% C 0.155 H 255.6°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#4189E4
RGB	rgb(65, 137, 228)
HSL	hsl(213, 75%, 57%)
HSV	hsv(213, 71%, 89%)
CMYK	cmyk(71.5%, 39.9%, 0%, 10.6%)
CIE-LAB	lab(56.70, 7.54, -52.70)
CIE-LCH	lch(56.70, 53.24, 278.14°)
OKLab	oklab(62.85% -0.0385 -0.1504)
OKLCH	oklch(62.85% 0.155 255.6)
XYZ	xyz(25.1241, 24.6138, 76.8106)
Luminance	0.2462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4189E4 #E49C41

analogous

#41DAE4 #4189E4 #4B41E4

triadic

#4189E4 #E44189 #89E441

tetradic

#4189E4 #E441DA #E49C41 #41E44B

square

#4189E4 #E441DA #E49C41 #41E44B

split-complementary

#4189E4 #E44B41 #DAE441

monochromatic

#154E95 #1D6ACB #4189E4 #77AAEC #ACCCF3

Accessibility & contrast

On white

3.55

#4189E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#4189E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4189E4

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4189E4	#FFFFFF	#000000	##000000
##4189E4	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E90E8

Deuteranopia (green-blind)

#4481E2

Tritanopia (blue-blind)

#009EAB

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4189e4;
/* rgb */ color: rgb(65, 137, 228);
/* oklch */ color: oklch(62.8% 0.155 255.6);

Tailwind

colors: {
  custom: {
    50: '#89aaed',
    500: '#4189e4',
    950: '#000000',
  },
}

SCSS

$custom: #4189e4;
$custom-light: #89aaed;
$custom-dark: #000000;

JSON

{
  "hex": "#4189e4",
  "rgb": {
    "r": 65,
    "g": 137,
    "b": 228
  },
  "hsl": {
    "h": 213.497,
    "s": 75.115,
    "l": 57.451
  },
  "oklch": {
    "l": 0.62849,
    "c": 0.15525,
    "h": 255.6
  },
  "luminance": 0.24617
}

Semantic roles & 50–950 ramp

primary

#4189E4

secondary

#E1C49F

accent

#9F36F2

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4189E4

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

Preview Lab → · Contrast checker → · Palette generator →