#42A2D9#42A2D9

#42A2D9 is a light, vivid cyan. Relative luminance 0.320; OKLCH L 67.9% C 0.120 H 237.6°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#42A2D9
RGB	rgb(66, 162, 217)
HSL	hsl(202, 67%, 55%)
HSV	hsv(202, 70%, 85%)
CMYK	cmyk(69.6%, 25.3%, 0%, 14.9%)
CIE-LAB	lab(63.35, -10.57, -36.10)
CIE-LCH	lch(63.35, 37.61, 253.68°)
OKLab	oklab(67.91% -0.0646 -0.1016)
OKLCH	oklch(67.91% 0.12 237.6)
XYZ	xyz(27.6866, 32.0056, 70.3507)
Luminance	0.3201 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A2D9 #D97942

analogous

#42D9C4 #42A2D9 #4256D9

triadic

#42A2D9 #D942A2 #A2D942

tetradic

#42A2D9 #C442D9 #D97942 #56D942

square

#42A2D9 #C442D9 #D97942 #56D942

split-complementary

#42A2D9 #D94256 #D9C442

monochromatic

#1B5F86 #2583B9 #42A2D9 #75BBE3 #A8D4ED

Accessibility & contrast

On white

2.84

#42A2D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.40

#42A2D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A2D9

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A2D9	#FFFFFF	#000000	##000000
##42A2D9	1.00	2.84	7.40	7.40
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.40	21.00	1.00	1.00
##000000	7.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88A2DC

Deuteranopia (green-blind)

#7393D8

Tritanopia (blue-blind)

#00B0B5

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #42a2d9;
/* rgb */ color: rgb(66, 162, 217);
/* oklch */ color: oklch(67.9% 0.120 237.6);

Tailwind

colors: {
  custom: {
    50: '#88bde5',
    500: '#42a2d9',
    950: '#000000',
  },
}

SCSS

$custom: #42a2d9;
$custom-light: #88bde5;
$custom-dark: #000000;

JSON

{
  "hex": "#42a2d9",
  "rgb": {
    "r": 66,
    "g": 162,
    "b": 217
  },
  "hsl": {
    "h": 201.854,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.67913,
    "c": 0.12045,
    "h": 237.6
  },
  "luminance": 0.32009
}

Semantic roles & 50–950 ramp

primary

#42A2D9

secondary

#DBB39C

accent

#7D3EE9

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1215

muted

#7E8184

Preview Lab

Preview with #42A2D9

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

Preview Lab → · Contrast checker → · Palette generator →