#429FD8#429FD8

#429FD8 is a light, vivid cyan. Relative luminance 0.309; OKLCH L 67.2% C 0.121 H 239.2°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#429FD8
RGB	rgb(66, 159, 216)
HSL	hsl(203, 66%, 55%)
HSV	hsv(203, 69%, 85%)
CMYK	cmyk(69.4%, 26.4%, 0%, 15.3%)
CIE-LAB	lab(62.43, -9.24, -36.97)
CIE-LCH	lch(62.43, 38.11, 255.97°)
OKLab	oklab(67.17% -0.062 -0.1042)
OKLCH	oklch(67.17% 0.121 239.2)
XYZ	xyz(27.0348, 30.9094, 69.4938)
Luminance	0.3091 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#429FD8 #D87B42

analogous

#42D8C6 #429FD8 #4254D8

triadic

#429FD8 #D8429F #9FD842

tetradic

#429FD8 #C642D8 #D87B42 #54D842

square

#429FD8 #C642D8 #D87B42 #54D842

split-complementary

#429FD8 #D84254 #D8C642

monochromatic

#1B5C84 #2680B7 #429FD8 #75B9E2 #A7D3ED

Accessibility & contrast

On white

2.92

#429FD8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.18

#429FD8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #429FD8

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##429FD8	#FFFFFF	#000000	##000000
##429FD8	1.00	2.92	7.18	7.18
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.18	21.00	1.00	1.00
##000000	7.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#849FDB

Deuteranopia (green-blind)

#7090D7

Tritanopia (blue-blind)

#00ADB3

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #429fd8;
/* rgb */ color: rgb(66, 159, 216);
/* oklch */ color: oklch(67.2% 0.121 239.2);

Tailwind

colors: {
  custom: {
    50: '#87bbe4',
    500: '#429fd8',
    950: '#000000',
  },
}

SCSS

$custom: #429fd8;
$custom-light: #87bbe4;
$custom-dark: #000000;

JSON

{
  "hex": "#429fd8",
  "rgb": {
    "r": 66,
    "g": 159,
    "b": 216
  },
  "hsl": {
    "h": 202.8,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.67171,
    "c": 0.12126,
    "h": 239.2
  },
  "luminance": 0.30912
}

Semantic roles & 50–950 ramp

primary

#429FD8

secondary

#DAB39C

accent

#803FE9

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #429FD8

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

Preview Lab → · Contrast checker → · Palette generator →