#429BCB#429BCB

#429BCB is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.6% C 0.110 H 235.6°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#429BCB
RGB	rgb(66, 155, 203)
HSL	hsl(201, 57%, 53%)
HSV	hsv(201, 67%, 80%)
CMYK	cmyk(67.5%, 23.6%, 0%, 20.4%)
CIE-LAB	lab(60.70, -11.35, -32.42)
CIE-LCH	lch(60.70, 34.35, 250.70°)
OKLab	oklab(65.61% -0.0623 -0.0911)
OKLCH	oklch(65.61% 0.11 235.6)
XYZ	xyz(24.7434, 28.9101, 60.7645)
Luminance	0.2891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#429BCB #CB7242

analogous

#42CBB6 #429BCB #4256CB

triadic

#429BCB #CB429B #9BCB42

tetradic

#429BCB #B642CB #CB7242 #56CB42

square

#429BCB #B642CB #CB7242 #56CB42

split-complementary

#429BCB #CB4256 #CBB642

monochromatic

#205673 #2D7AA3 #429BCB #72B4D8 #A2CEE5

Accessibility & contrast

On white

3.10

#429BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#429BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #429BCB

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##429BCB	#FFFFFF	#000000	##000000
##429BCB	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#849ACD

Deuteranopia (green-blind)

#718CCA

Tritanopia (blue-blind)

#00A7AB

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #429bcb;
/* rgb */ color: rgb(66, 155, 203);
/* oklch */ color: oklch(65.6% 0.110 235.6);

Tailwind

colors: {
  custom: {
    50: '#85b8db',
    500: '#429bcb',
    950: '#000000',
  },
}

SCSS

$custom: #429bcb;
$custom-light: #85b8db;
$custom-dark: #000000;

JSON

{
  "hex": "#429bcb",
  "rgb": {
    "r": 66,
    "g": 155,
    "b": 203
  },
  "hsl": {
    "h": 201.022,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.65614,
    "c": 0.11037,
    "h": 235.6
  },
  "luminance": 0.28913
}

Semantic roles & 50–950 ramp

primary

#429BCB

secondary

#D2AC97

accent

#7D48E0

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #429BCB

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

Preview Lab → · Contrast checker → · Palette generator →