#42AFDC#42AFDC

#42AFDC is a light, moderate cyan. Relative luminance 0.370; OKLCH L 71.1% C 0.117 H 229.3°. Best body text is #000000 at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#42AFDC
RGB	rgb(66, 175, 220)
HSL	hsl(198, 69%, 56%)
HSV	hsv(198, 70%, 86%)
CMYK	cmyk(70%, 20.5%, 0%, 13.7%)
CIE-LAB	lab(67.26, -16.62, -31.67)
CIE-LCH	lch(67.26, 35.77, 242.31°)
OKLab	oklab(71.07% -0.0763 -0.0888)
OKLCH	oklch(71.07% 0.117 229.3)
XYZ	xyz(30.4898, 36.9821, 73.2276)
Luminance	0.3699 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AFDC #DC6F42

analogous

#42DCBC #42AFDC #4262DC

triadic

#42AFDC #DC42AF #AFDC42

tetradic

#42AFDC #BC42DC #DC6F42 #62DC42

square

#42AFDC #BC42DC #DC6F42 #62DC42

split-complementary

#42AFDC #DC4262 #DCBC42

monochromatic

#1A698A #2391BE #42AFDC #76C5E6 #A9DBEF

Accessibility & contrast

On white

2.50

#42AFDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.40

#42AFDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AFDC

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AFDC	#FFFFFF	#000000	##000000
##42AFDC	1.00	2.50	8.40	8.40
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.40	21.00	1.00	1.00
##000000	8.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98ACDE

Deuteranopia (green-blind)

#839DDB

Tritanopia (blue-blind)

#00BCBE

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #42afdc;
/* rgb */ color: rgb(66, 175, 220);
/* oklch */ color: oklch(71.1% 0.117 229.3);

Tailwind

colors: {
  custom: {
    50: '#89c7e7',
    500: '#42afdc',
    950: '#000000',
  },
}

SCSS

$custom: #42afdc;
$custom-light: #89c7e7;
$custom-dark: #000000;

JSON

{
  "hex": "#42afdc",
  "rgb": {
    "r": 66,
    "g": 175,
    "b": 220
  },
  "hsl": {
    "h": 197.532,
    "s": 68.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.71072,
    "c": 0.11711,
    "h": 229.3
  },
  "luminance": 0.36986
}

Semantic roles & 50–950 ramp

primary

#42AFDC

secondary

#DDB09D

accent

#6F3CEC

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #42AFDC

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

Preview Lab → · Contrast checker → · Palette generator →