#42A0BA#42A0BA

#42A0BA is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.0% C 0.095 H 219.2°. Best body text is #000000 at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#42A0BA
RGB	rgb(66, 160, 186)
HSL	hsl(193, 48%, 49%)
HSV	hsv(193, 65%, 73%)
CMYK	cmyk(64.5%, 14%, 0%, 27.1%)
CIE-LAB	lab(61.52, -19.52, -21.63)
CIE-LCH	lch(61.52, 29.14, 227.92°)
OKLab	oklab(66.04% -0.0738 -0.0602)
OKLCH	oklch(66.04% 0.095 219.2)
XYZ	xyz(23.6769, 29.8425, 50.9572)
Luminance	0.2984 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A0BA #BA5C42

analogous

#42BA98 #42A0BA #4264BA

triadic

#42A0BA #BA42A0 #A0BA42

tetradic

#42A0BA #9842BA #BA5C42 #64BA42

square

#42A0BA #9842BA #BA5C42 #64BA42

split-complementary

#42A0BA #BA4264 #BA9842

monochromatic

#225260 #32798D #42A0BA #6EB7CB #9BCDDB

Accessibility & contrast

On white

3.01

#42A0BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.97

#42A0BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42A0BA

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A0BA	#FFFFFF	#000000	##000000
##42A0BA	1.00	3.01	6.97	6.97
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.97	21.00	1.00	1.00
##000000	6.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#909CBB

Deuteranopia (green-blind)

#7F8FBA

Tritanopia (blue-blind)

#00A9A8

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #42a0ba;
/* rgb */ color: rgb(66, 160, 186);
/* oklch */ color: oklch(66.0% 0.095 219.2);

Tailwind

colors: {
  custom: {
    50: '#84bcce',
    500: '#42a0ba',
    950: '#000000',
  },
}

SCSS

$custom: #42a0ba;
$custom-light: #84bcce;
$custom-dark: #000000;

JSON

{
  "hex": "#42a0ba",
  "rgb": {
    "r": 66,
    "g": 160,
    "b": 186
  },
  "hsl": {
    "h": 193,
    "s": 47.619,
    "l": 49.412
  },
  "oklch": {
    "l": 0.66044,
    "c": 0.09524,
    "h": 219.2
  },
  "luminance": 0.29845
}

Semantic roles & 50–950 ramp

primary

#42A0BA

secondary

#C89C90

accent

#6E51D7

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1213

muted

#7D8182

Preview Lab

Preview with #42A0BA

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

Preview Lab → · Contrast checker → · Palette generator →