#4293E9#4293E9

#4293E9 is a light, vivid cyan. Relative luminance 0.279; OKLCH L 65.4% C 0.151 H 252.3°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#4293E9
RGB	rgb(66, 147, 233)
HSL	hsl(211, 79%, 59%)
HSV	hsv(211, 72%, 91%)
CMYK	cmyk(71.7%, 36.9%, 0%, 8.6%)
CIE-LAB	lab(59.80, 3.49, -50.54)
CIE-LCH	lch(59.80, 50.66, 273.95°)
OKLab	oklab(65.37% -0.0458 -0.1439)
OKLCH	oklch(65.37% 0.151 252.3)
XYZ	xyz(27.3830, 27.9058, 81.0182)
Luminance	0.2791 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4293E9 #E99842

analogous

#42E7E9 #4293E9 #4442E9

triadic

#4293E9 #E94293 #93E942

tetradic

#4293E9 #E942E7 #E99842 #42E944

square

#4293E9 #E942E7 #E99842 #42E944

split-complementary

#4293E9 #E94442 #E7E942

monochromatic

#12569E #1974D5 #4293E9 #79B2EF #B0D2F6

Accessibility & contrast

On white

3.19

#4293E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#4293E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4293E9

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4293E9	#FFFFFF	#000000	##000000
##4293E9	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B99ED

Deuteranopia (green-blind)

#5289E7

Tritanopia (blue-blind)

#00A7B3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4293e9;
/* rgb */ color: rgb(66, 147, 233);
/* oklch */ color: oklch(65.4% 0.151 252.3);

Tailwind

colors: {
  custom: {
    50: '#8ab2f0',
    500: '#4293e9',
    950: '#000000',
  },
}

SCSS

$custom: #4293e9;
$custom-light: #8ab2f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4293e9",
  "rgb": {
    "r": 66,
    "g": 147,
    "b": 233
  },
  "hsl": {
    "h": 210.898,
    "s": 79.147,
    "l": 58.627
  },
  "oklch": {
    "l": 0.65367,
    "c": 0.151,
    "h": 252.3
  },
  "luminance": 0.27909
}

Semantic roles & 50–950 ramp

primary

#4293E9

secondary

#E4C4A2

accent

#9732F6

background

#F9FAFE

surface

#F1F5FD

border

#CBCFD5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4293E9

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

Preview Lab → · Contrast checker → · Palette generator →