#429DD8#429DD8

#429DD8 is a light, vivid cyan. Relative luminance 0.302; OKLCH L 66.7% C 0.123 H 240.7°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#429DD8
RGB	rgb(66, 157, 216)
HSL	hsl(204, 66%, 55%)
HSV	hsv(204, 69%, 85%)
CMYK	cmyk(69.4%, 27.3%, 0%, 15.3%)
CIE-LAB	lab(61.85, -8.12, -37.88)
CIE-LCH	lch(61.85, 38.74, 257.90°)
OKLab	oklab(66.71% -0.06 -0.1069)
OKLCH	oklch(66.71% 0.123 240.7)
XYZ	xyz(26.6936, 30.2271, 69.3800)
Luminance	0.3023 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#429DD8 #D87D42

analogous

#42D8C8 #429DD8 #4252D8

triadic

#429DD8 #D8429D #9DD842

tetradic

#429DD8 #C842D8 #D87D42 #52D842

square

#429DD8 #C842D8 #D87D42 #52D842

split-complementary

#429DD8 #D84252 #D8C842

monochromatic

#1B5B84 #267EB7 #429DD8 #75B7E2 #A7D2ED

Accessibility & contrast

On white

2.98

#429DD8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#429DD8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #429DD8

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##429DD8	#FFFFFF	#000000	##000000
##429DD8	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829DDB

Deuteranopia (green-blind)

#6D8FD7

Tritanopia (blue-blind)

#00ACB1

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #429dd8;
/* rgb */ color: rgb(66, 157, 216);
/* oklch */ color: oklch(66.7% 0.123 240.7);

Tailwind

colors: {
  custom: {
    50: '#87b9e4',
    500: '#429dd8',
    950: '#000000',
  },
}

SCSS

$custom: #429dd8;
$custom-light: #87b9e4;
$custom-dark: #000000;

JSON

{
  "hex": "#429dd8",
  "rgb": {
    "r": 66,
    "g": 157,
    "b": 216
  },
  "hsl": {
    "h": 203.6,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.6671,
    "c": 0.12257,
    "h": 240.7
  },
  "luminance": 0.3023
}

Semantic roles & 50–950 ramp

primary

#429DD8

secondary

#DAB49C

accent

#823FE9

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #429DD8

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

Preview Lab → · Contrast checker → · Palette generator →