#429BD9#429BD9

#429BD9 is a light, vivid cyan. Relative luminance 0.296; OKLCH L 66.3% C 0.125 H 242.5°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#429BD9
RGB	rgb(66, 155, 217)
HSL	hsl(205, 67%, 55%)
HSV	hsv(205, 70%, 85%)
CMYK	cmyk(69.6%, 28.6%, 0%, 14.9%)
CIE-LAB	lab(61.31, -6.66, -39.27)
CIE-LCH	lch(61.31, 39.83, 260.38°)
OKLab	oklab(66.3% -0.0578 -0.1109)
OKLCH	oklch(66.3% 0.125 242.5)
XYZ	xyz(26.4877, 29.6078, 69.9511)
Luminance	0.2961 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#429BD9 #D98042

analogous

#42D9CC #429BD9 #424FD9

triadic

#429BD9 #D9429B #9BD942

tetradic

#429BD9 #CC42D9 #D98042 #4FD942

square

#429BD9 #CC42D9 #D98042 #4FD942

split-complementary

#429BD9 #D9424F #D9CC42

monochromatic

#1B5A86 #257CB9 #429BD9 #75B6E3 #A8D1ED

Accessibility & contrast

On white

3.03

#429BD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.92

#429BD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #429BD9

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##429BD9	#FFFFFF	#000000	##000000
##429BD9	1.00	3.03	6.92	6.92
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.92	21.00	1.00	1.00
##000000	6.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F9CDC

Deuteranopia (green-blind)

#6A8ED8

Tritanopia (blue-blind)

#00AAB1

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #429bd9;
/* rgb */ color: rgb(66, 155, 217);
/* oklch */ color: oklch(66.3% 0.125 242.5);

Tailwind

colors: {
  custom: {
    50: '#87b8e5',
    500: '#429bd9',
    950: '#000000',
  },
}

SCSS

$custom: #429bd9;
$custom-light: #87b8e5;
$custom-dark: #000000;

JSON

{
  "hex": "#429bd9",
  "rgb": {
    "r": 66,
    "g": 155,
    "b": 217
  },
  "hsl": {
    "h": 204.636,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.66301,
    "c": 0.12506,
    "h": 242.5
  },
  "luminance": 0.29611
}

Semantic roles & 50–950 ramp

primary

#429BD9

secondary

#DBB69C

accent

#853EE9

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1115

muted

#7E8084

Preview Lab

Preview with #429BD9

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

Preview Lab → · Contrast checker → · Palette generator →