#42BADD#42BADD

#42BADD is a light, moderate cyan. Relative luminance 0.415; OKLCH L 73.7% C 0.115 H 221.2°. Best body text is #000000 at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#42BADD
RGB	rgb(66, 186, 221)
HSL	hsl(194, 70%, 56%)
HSV	hsv(194, 70%, 87%)
CMYK	cmyk(70.1%, 15.8%, 0%, 13.3%)
CIE-LAB	lab(70.52, -22.04, -27.20)
CIE-LCH	lch(70.52, 35.01, 230.98°)
OKLab	oklab(73.69% -0.0868 -0.076)
OKLCH	oklch(73.69% 0.115 221.2)
XYZ	xyz(32.8514, 41.4928, 74.6701)
Luminance	0.4150 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BADD #DD6542

analogous

#42DDB2 #42BADD #426DDD

triadic

#42BADD #DD42BA #BADD42

tetradic

#42BADD #B242DD #DD6542 #6DDD42

square

#42BADD #B242DD #DD6542 #6DDD42

split-complementary

#42BADD #DD426D #DDB242

monochromatic

#19728C #229CBF #42BADD #76CDE6 #AAE0F0

Accessibility & contrast

On white

2.26

#42BADD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.30

#42BADD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BADD

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BADD	#FFFFFF	#000000	##000000
##42BADD	1.00	2.26	9.30	9.30
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.30	21.00	1.00	1.00
##000000	9.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B5DF

Deuteranopia (green-blind)

#90A6DD

Tritanopia (blue-blind)

#00C5C5

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #42badd;
/* rgb */ color: rgb(66, 186, 221);
/* oklch */ color: oklch(73.7% 0.115 221.2);

Tailwind

colors: {
  custom: {
    50: '#8acfe7',
    500: '#42badd',
    950: '#000000',
  },
}

SCSS

$custom: #42badd;
$custom-light: #8acfe7;
$custom-dark: #000000;

JSON

{
  "hex": "#42badd",
  "rgb": {
    "r": 66,
    "g": 186,
    "b": 221
  },
  "hsl": {
    "h": 193.548,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.73691,
    "c": 0.11533,
    "h": 221.2
  },
  "luminance": 0.41497
}

Semantic roles & 50–950 ramp

primary

#42BADD

secondary

#DDAC9D

accent

#633BEC

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #42BADD

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

Preview Lab → · Contrast checker → · Palette generator →