#42AACE#42AACE

#42AACE is a light, moderate cyan. Relative luminance 0.344; OKLCH L 69.3% C 0.108 H 224.7°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#42AACE
RGB	rgb(66, 170, 206)
HSL	hsl(195, 59%, 53%)
HSV	hsv(195, 68%, 81%)
CMYK	cmyk(68%, 17.5%, 0%, 19.2%)
CIE-LAB	lab(65.25, -18.48, -27.06)
CIE-LCH	lch(65.25, 32.76, 235.67°)
OKLab	oklab(69.28% -0.0765 -0.0756)
OKLCH	oklch(69.28% 0.108 224.7)
XYZ	xyz(27.7576, 34.3609, 63.5500)
Luminance	0.3436 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AACE #CE6642

analogous

#42CEAC #42AACE #4264CE

triadic

#42AACE #CE42AA #AACE42

tetradic

#42AACE #AC42CE #CE6642 #64CE42

square

#42AACE #AC42CE #CE6642 #64CE42

split-complementary

#42AACE #CE4264 #CEAC42

monochromatic

#1F6077 #2B88A7 #42AACE #73C0DB #A3D6E7

Accessibility & contrast

On white

2.67

#42AACE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#42AACE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AACE

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AACE	#FFFFFF	#000000	##000000
##42AACE	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96A6D0

Deuteranopia (green-blind)

#8398CE

Tritanopia (blue-blind)

#00B5B6

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #42aace;
/* rgb */ color: rgb(66, 170, 206);
/* oklch */ color: oklch(69.3% 0.108 224.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42aace",
  "rgb": {
    "r": 66,
    "g": 170,
    "b": 206
  },
  "hsl": {
    "h": 195.429,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.6928,
    "c": 0.10755,
    "h": 224.7
  },
  "luminance": 0.34364
}

Semantic roles & 50–950 ramp

primary

#42AACE

secondary

#D4A798

accent

#6E46E2

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #42AACE

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

Preview Lab → · Contrast checker → · Palette generator →