#42A2D5#42A2D5

#42A2D5 is a light, moderate cyan. Relative luminance 0.318; OKLCH L 67.7% C 0.116 H 235.5°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#42A2D5
RGB	rgb(66, 162, 213)
HSL	hsl(201, 64%, 55%)
HSV	hsv(201, 69%, 84%)
CMYK	cmyk(69%, 23.9%, 0%, 16.5%)
CIE-LAB	lab(63.18, -11.90, -34.14)
CIE-LCH	lch(63.18, 36.16, 250.79°)
OKLab	oklab(67.72% -0.0659 -0.096)
OKLCH	oklch(67.72% 0.116 235.5)
XYZ	xyz(27.1726, 31.8000, 67.6438)
Luminance	0.3180 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A2D5 #D57542

analogous

#42D5BE #42A2D5 #4259D5

triadic

#42A2D5 #D542A2 #A2D542

tetradic

#42A2D5 #BE42D5 #D57542 #59D542

square

#42A2D5 #BE42D5 #D57542 #59D542

split-complementary

#42A2D5 #D54259 #D5BE42

monochromatic

#1C5E80 #2882B2 #42A2D5 #74BBE0 #A6D3EB

Accessibility & contrast

On white

2.85

#42A2D5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#42A2D5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A2D5

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A2D5	#FFFFFF	#000000	##000000
##42A2D5	1.00	2.85	7.36	7.36
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.36	21.00	1.00	1.00
##000000	7.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8AA1D7

Deuteranopia (green-blind)

#7593D4

Tritanopia (blue-blind)

#00AFB3

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #42a2d5;
/* rgb */ color: rgb(66, 162, 213);
/* oklch */ color: oklch(67.7% 0.116 235.5);

Tailwind

colors: {
  custom: {
    50: '#87bde2',
    500: '#42a2d5',
    950: '#000000',
  },
}

SCSS

$custom: #42a2d5;
$custom-light: #87bde2;
$custom-dark: #000000;

JSON

{
  "hex": "#42a2d5",
  "rgb": {
    "r": 66,
    "g": 162,
    "b": 213
  },
  "hsl": {
    "h": 200.816,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.67721,
    "c": 0.11648,
    "h": 235.5
  },
  "luminance": 0.31803
}

Semantic roles & 50–950 ramp

primary

#42A2D5

secondary

#D8B09A

accent

#7B41E7

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #42A2D5

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

Preview Lab → · Contrast checker → · Palette generator →