#429CD8#429CD8

#429CD8 is a light, vivid cyan. Relative luminance 0.299; OKLCH L 66.5% C 0.123 H 241.4°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#429CD8
RGB	rgb(66, 156, 216)
HSL	hsl(204, 66%, 55%)
HSV	hsv(204, 69%, 85%)
CMYK	cmyk(69.4%, 27.8%, 0%, 15.3%)
CIE-LAB	lab(61.56, -7.56, -38.33)
CIE-LCH	lch(61.56, 39.07, 258.84°)
OKLab	oklab(66.48% -0.059 -0.1082)
OKLCH	oklch(66.48% 0.123 241.4)
XYZ	xyz(26.5251, 29.8901, 69.3239)
Luminance	0.2989 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#429CD8 #D87E42

analogous

#42D8C9 #429CD8 #4251D8

triadic

#429CD8 #D8429C #9CD842

tetradic

#429CD8 #C942D8 #D87E42 #51D842

square

#429CD8 #C942D8 #D87E42 #51D842

split-complementary

#429CD8 #D84251 #D8C942

monochromatic

#1B5A84 #267DB7 #429CD8 #75B7E2 #A7D1ED

Accessibility & contrast

On white

3.01

#429CD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#429CD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #429CD8

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##429CD8	#FFFFFF	#000000	##000000
##429CD8	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809DDB

Deuteranopia (green-blind)

#6C8ED7

Tritanopia (blue-blind)

#00ABB1

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #429cd8;
/* rgb */ color: rgb(66, 156, 216);
/* oklch */ color: oklch(66.5% 0.123 241.4);

Tailwind

colors: {
  custom: {
    50: '#87b9e4',
    500: '#429cd8',
    950: '#000000',
  },
}

SCSS

$custom: #429cd8;
$custom-light: #87b9e4;
$custom-dark: #000000;

JSON

{
  "hex": "#429cd8",
  "rgb": {
    "r": 66,
    "g": 156,
    "b": 216
  },
  "hsl": {
    "h": 204,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.6648,
    "c": 0.12326,
    "h": 241.4
  },
  "luminance": 0.29893
}

Semantic roles & 50–950 ramp

primary

#429CD8

secondary

#DAB59C

accent

#833FE9

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #429CD8

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

Preview Lab → · Contrast checker → · Palette generator →