#42AACF#42AACF

#42AACF is a light, moderate cyan. Relative luminance 0.344; OKLCH L 69.3% C 0.108 H 225.4°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#42AACF
RGB	rgb(66, 170, 207)
HSL	hsl(196, 59%, 54%)
HSV	hsv(196, 68%, 81%)
CMYK	cmyk(68.1%, 17.9%, 0%, 18.8%)
CIE-LAB	lab(65.29, -18.16, -27.55)
CIE-LCH	lch(65.29, 33.00, 236.61°)
OKLab	oklab(69.32% -0.0761 -0.077)
OKLCH	oklch(69.32% 0.108 225.4)
XYZ	xyz(27.8794, 34.4096, 64.1918)
Luminance	0.3441 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AACF #CF6742

analogous

#42CFAE #42AACF #4263CF

triadic

#42AACF #CF42AA #AACF42

tetradic

#42AACF #AE42CF #CF6742 #63CF42

square

#42AACF #AE42CF #CF6742 #63CF42

split-complementary

#42AACF #CF4263 #CFAE42

monochromatic

#1F6178 #2B88A9 #42AACF #73C0DB #A4D6E8

Accessibility & contrast

On white

2.66

#42AACF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#42AACF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AACF

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AACF	#FFFFFF	#000000	##000000
##42AACF	1.00	2.66	7.88	7.88
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96A7D1

Deuteranopia (green-blind)

#8298CF

Tritanopia (blue-blind)

#00B5B6

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #42aacf;
/* rgb */ color: rgb(66, 170, 207);
/* oklch */ color: oklch(69.3% 0.108 225.4);

Tailwind

colors: {
  custom: {
    50: '#87c3dd',
    500: '#42aacf',
    950: '#000000',
  },
}

SCSS

$custom: #42aacf;
$custom-light: #87c3dd;
$custom-dark: #000000;

JSON

{
  "hex": "#42aacf",
  "rgb": {
    "r": 66,
    "g": 170,
    "b": 207
  },
  "hsl": {
    "h": 195.745,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.69324,
    "c": 0.10829,
    "h": 225.4
  },
  "luminance": 0.34413
}

Semantic roles & 50–950 ramp

primary

#42AACF

secondary

#D5A898

accent

#6E45E3

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #42AACF

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

Preview Lab → · Contrast checker → · Palette generator →