#429BD8#429BD8

#429BD8 is a light, vivid cyan. Relative luminance 0.296; OKLCH L 66.3% C 0.124 H 242.1°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#429BD8
RGB	rgb(66, 155, 216)
HSL	hsl(204, 66%, 55%)
HSV	hsv(204, 69%, 85%)
CMYK	cmyk(69.4%, 28.2%, 0%, 15.3%)
CIE-LAB	lab(61.27, -7.00, -38.79)
CIE-LCH	lch(61.27, 39.41, 259.77°)
OKLab	oklab(66.25% -0.0581 -0.1095)
OKLCH	oklch(66.25% 0.124 242.1)
XYZ	xyz(26.3580, 29.5559, 69.2682)
Luminance	0.2956 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#429BD8 #D87F42

analogous

#42D8CA #429BD8 #4250D8

triadic

#429BD8 #D8429B #9BD842

tetradic

#429BD8 #CA42D8 #D87F42 #50D842

square

#429BD8 #CA42D8 #D87F42 #50D842

split-complementary

#429BD8 #D84250 #D8CA42

monochromatic

#1B5A84 #267CB7 #429BD8 #75B6E2 #A7D1ED

Accessibility & contrast

On white

3.04

#429BD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.91

#429BD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #429BD8

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##429BD8	#FFFFFF	#000000	##000000
##429BD8	1.00	3.04	6.91	6.91
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.91	21.00	1.00	1.00
##000000	6.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F9CDB

Deuteranopia (green-blind)

#6A8DD7

Tritanopia (blue-blind)

#00AAB0

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #429bd8;
/* rgb */ color: rgb(66, 155, 216);
/* oklch */ color: oklch(66.3% 0.124 242.1);

Tailwind

colors: {
  custom: {
    50: '#87b8e4',
    500: '#429bd8',
    950: '#000000',
  },
}

SCSS

$custom: #429bd8;
$custom-light: #87b8e4;
$custom-dark: #000000;

JSON

{
  "hex": "#429bd8",
  "rgb": {
    "r": 66,
    "g": 155,
    "b": 216
  },
  "hsl": {
    "h": 204.4,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.66251,
    "c": 0.12395,
    "h": 242.1
  },
  "luminance": 0.29559
}

Semantic roles & 50–950 ramp

primary

#429BD8

secondary

#DAB59C

accent

#843FE9

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #429BD8

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

Preview Lab → · Contrast checker → · Palette generator →