#42A0BC#42A0BC

#42A0BC is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.1% C 0.096 H 220.8°. Best body text is #000000 at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#42A0BC
RGB	rgb(66, 160, 188)
HSL	hsl(194, 48%, 50%)
HSV	hsv(194, 65%, 74%)
CMYK	cmyk(64.9%, 14.9%, 0%, 26.3%)
CIE-LAB	lab(61.59, -18.90, -22.64)
CIE-LCH	lch(61.59, 29.49, 230.14°)
OKLab	oklab(66.13% -0.073 -0.0631)
OKLCH	oklch(66.13% 0.096 220.8)
XYZ	xyz(23.8910, 29.9282, 52.0848)
Luminance	0.2993 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A0BC #BC5E42

analogous

#42BC9B #42A0BC #4263BC

triadic

#42A0BC #BC42A0 #A0BC42

tetradic

#42A0BC #9B42BC #BC5E42 #63BC42

square

#42A0BC #9B42BC #BC5E42 #63BC42

split-complementary

#42A0BC #BC4263 #BC9B42

monochromatic

#225361 #32798F #42A0BC #6FB7CC #9CCEDC

Accessibility & contrast

On white

3.01

#42A0BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.99

#42A0BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42A0BC

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A0BC	#FFFFFF	#000000	##000000
##42A0BC	1.00	3.01	6.99	6.99
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.99	21.00	1.00	1.00
##000000	6.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9CBE

Deuteranopia (green-blind)

#7E8FBC

Tritanopia (blue-blind)

#00A9A9

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #42a0bc;
/* rgb */ color: rgb(66, 160, 188);
/* oklch */ color: oklch(66.1% 0.096 220.8);

Tailwind

colors: {
  custom: {
    50: '#84bcd0',
    500: '#42a0bc',
    950: '#000000',
  },
}

SCSS

$custom: #42a0bc;
$custom-light: #84bcd0;
$custom-dark: #000000;

JSON

{
  "hex": "#42a0bc",
  "rgb": {
    "r": 66,
    "g": 160,
    "b": 188
  },
  "hsl": {
    "h": 193.77,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.66128,
    "c": 0.09649,
    "h": 220.8
  },
  "luminance": 0.29931
}

Semantic roles & 50–950 ramp

primary

#42A0BC

secondary

#C99E91

accent

#6F50D8

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #42A0BC

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

Preview Lab → · Contrast checker → · Palette generator →