#42A0CA#42A0CA

#42A0CA is a light, moderate cyan. Relative luminance 0.306; OKLCH L 66.7% C 0.107 H 230.8°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#42A0CA
RGB	rgb(66, 160, 202)
HSL	hsl(199, 56%, 53%)
HSV	hsv(199, 67%, 79%)
CMYK	cmyk(67.3%, 20.8%, 0%, 20.8%)
CIE-LAB	lab(62.14, -14.42, -29.64)
CIE-LCH	lch(62.14, 32.96, 244.05°)
OKLab	oklab(66.74% -0.0678 -0.083)
OKLCH	oklch(66.74% 0.107 230.8)
XYZ	xyz(25.4740, 30.5614, 60.4221)
Luminance	0.3056 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A0CA #CA6C42

analogous

#42CAB0 #42A0CA #425CCA

triadic

#42A0CA #CA42A0 #A0CA42

tetradic

#42A0CA #B042CA #CA6C42 #5CCA42

square

#42A0CA #B042CA #CA6C42 #5CCA42

split-complementary

#42A0CA #CA425C #CAB042

monochromatic

#205872 #2D7EA2 #42A0CA #72B8D7 #A2D0E5

Accessibility & contrast

On white

2.95

#42A0CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.11

#42A0CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A0CA

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A0CA	#FFFFFF	#000000	##000000
##42A0CA	1.00	2.95	7.11	7.11
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.11	21.00	1.00	1.00
##000000	7.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B9ECC

Deuteranopia (green-blind)

#7890C9

Tritanopia (blue-blind)

#00ACAE

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #42a0ca;
/* rgb */ color: rgb(66, 160, 202);
/* oklch */ color: oklch(66.7% 0.107 230.8);

Tailwind

colors: {
  custom: {
    50: '#85bcda',
    500: '#42a0ca',
    950: '#000000',
  },
}

SCSS

$custom: #42a0ca;
$custom-light: #85bcda;
$custom-dark: #000000;

JSON

{
  "hex": "#42a0ca",
  "rgb": {
    "r": 66,
    "g": 160,
    "b": 202
  },
  "hsl": {
    "h": 198.529,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.66742,
    "c": 0.10719,
    "h": 230.8
  },
  "luminance": 0.30564
}

Semantic roles & 50–950 ramp

primary

#42A0CA

secondary

#D1A996

accent

#7748DF

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #42A0CA

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

Preview Lab → · Contrast checker → · Palette generator →