#4293D8#4293D8

#4293D8 is a light, vivid cyan. Relative luminance 0.270; OKLCH L 64.4% C 0.130 H 247.3°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#4293D8
RGB	rgb(66, 147, 216)
HSL	hsl(208, 66%, 55%)
HSV	hsv(208, 69%, 85%)
CMYK	cmyk(69.4%, 31.9%, 0%, 15.3%)
CIE-LAB	lab(58.96, -2.43, -42.42)
CIE-LCH	lch(58.96, 42.49, 266.72°)
OKLab	oklab(64.43% -0.0503 -0.1202)
OKLCH	oklch(64.43% 0.13 247.3)
XYZ	xyz(25.0705, 26.9808, 68.8390)
Luminance	0.2698 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4293D8 #D88742

analogous

#42D8D2 #4293D8 #4248D8

triadic

#4293D8 #D84293 #93D842

tetradic

#4293D8 #D242D8 #D88742 #48D842

square

#4293D8 #D242D8 #D88742 #48D842

split-complementary

#4293D8 #D84248 #D8D242

monochromatic

#1B5484 #2674B7 #4293D8 #75B0E2 #A7CDED

Accessibility & contrast

On white

3.28

#4293D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#4293D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4293D8

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4293D8	#FFFFFF	#000000	##000000
##4293D8	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7496DB

Deuteranopia (green-blind)

#5F87D7

Tritanopia (blue-blind)

#00A3AC

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4293d8;
/* rgb */ color: rgb(66, 147, 216);
/* oklch */ color: oklch(64.4% 0.130 247.3);

Tailwind

colors: {
  custom: {
    50: '#87b2e4',
    500: '#4293d8',
    950: '#000000',
  },
}

SCSS

$custom: #4293d8;
$custom-light: #87b2e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4293d8",
  "rgb": {
    "r": 66,
    "g": 147,
    "b": 216
  },
  "hsl": {
    "h": 207.6,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.64426,
    "c": 0.13026,
    "h": 247.3
  },
  "luminance": 0.26984
}

Semantic roles & 50–950 ramp

primary

#4293D8

secondary

#DAB89C

accent

#8D3FE9

background

#F8FAFE

surface

#F0F5FC

border

#CBCFD5

text

#0D1015

muted

#7D7F84

Preview Lab

Preview with #4293D8

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

Preview Lab → · Contrast checker → · Palette generator →