#429CCB#429CCB

#429CCB is a light, moderate cyan. Relative luminance 0.292; OKLCH L 65.8% C 0.110 H 234.8°. Best body text is #000000 at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#429CCB
RGB	rgb(66, 156, 203)
HSL	hsl(201, 57%, 53%)
HSV	hsv(201, 67%, 80%)
CMYK	cmyk(67.5%, 23.2%, 0%, 20.4%)
CIE-LAB	lab(61.00, -11.91, -31.96)
CIE-LCH	lch(61.00, 34.10, 249.57°)
OKLab	oklab(65.85% -0.0633 -0.0898)
OKLCH	oklch(65.85% 0.11 234.8)
XYZ	xyz(24.9105, 29.2443, 60.8202)
Luminance	0.2925 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#429CCB #CB7142

analogous

#42CBB5 #429CCB #4257CB

triadic

#429CCB #CB429C #9CCB42

tetradic

#429CCB #B542CB #CB7142 #57CB42

square

#429CCB #B542CB #CB7142 #57CB42

split-complementary

#429CCB #CB4257 #CBB542

monochromatic

#205673 #2D7AA3 #429CCB #72B5D8 #A2CEE5

Accessibility & contrast

On white

3.07

#429CCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.85

#429CCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #429CCB

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##429CCB	#FFFFFF	#000000	##000000
##429CCB	1.00	3.07	6.85	6.85
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.85	21.00	1.00	1.00
##000000	6.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859BCD

Deuteranopia (green-blind)

#738DCA

Tritanopia (blue-blind)

#00A8AC

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #429ccb;
/* rgb */ color: rgb(66, 156, 203);
/* oklch */ color: oklch(65.8% 0.110 234.8);

Tailwind

colors: {
  custom: {
    50: '#85b9db',
    500: '#429ccb',
    950: '#000000',
  },
}

SCSS

$custom: #429ccb;
$custom-light: #85b9db;
$custom-dark: #000000;

JSON

{
  "hex": "#429ccb",
  "rgb": {
    "r": 66,
    "g": 156,
    "b": 203
  },
  "hsl": {
    "h": 200.584,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.65849,
    "c": 0.10986,
    "h": 234.8
  },
  "luminance": 0.29247
}

Semantic roles & 50–950 ramp

primary

#429CCB

secondary

#D2AB97

accent

#7C48E0

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #429CCB

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

Preview Lab → · Contrast checker → · Palette generator →