#429DCB#429DCB

#429DCB is a light, moderate cyan. Relative luminance 0.296; OKLCH L 66.1% C 0.109 H 234.0°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#429DCB
RGB	rgb(66, 157, 203)
HSL	hsl(200, 57%, 53%)
HSV	hsv(200, 67%, 80%)
CMYK	cmyk(67.5%, 22.7%, 0%, 20.4%)
CIE-LAB	lab(61.29, -12.46, -31.50)
CIE-LCH	lch(61.29, 33.88, 248.43°)
OKLab	oklab(66.08% -0.0644 -0.0884)
OKLCH	oklch(66.08% 0.109 234)
XYZ	xyz(25.0790, 29.5813, 60.8764)
Luminance	0.2958 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#429DCB #CB7042

analogous

#42CBB4 #429DCB #4259CB

triadic

#429DCB #CB429D #9DCB42

tetradic

#429DCB #B442CB #CB7042 #59CB42

square

#429DCB #B442CB #CB7042 #59CB42

split-complementary

#429DCB #CB4259 #CBB442

monochromatic

#205773 #2D7BA3 #429DCB #72B6D8 #A2CFE5

Accessibility & contrast

On white

3.04

#429DCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.92

#429DCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #429DCB

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##429DCB	#FFFFFF	#000000	##000000
##429DCB	1.00	3.04	6.92	6.92
#FFFFFF	3.04	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)

#879CCD

Deuteranopia (green-blind)

#748ECA

Tritanopia (blue-blind)

#00A9AC

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #429dcb;
/* rgb */ color: rgb(66, 157, 203);
/* oklch */ color: oklch(66.1% 0.109 234.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#429dcb",
  "rgb": {
    "r": 66,
    "g": 157,
    "b": 203
  },
  "hsl": {
    "h": 200.146,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.66083,
    "c": 0.10938,
    "h": 234
  },
  "luminance": 0.29584
}

Semantic roles & 50–950 ramp

primary

#429DCB

secondary

#D2AB97

accent

#7B48E0

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #429DCB

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

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