#42BED9#42BED9

#42BED9 is a light, moderate cyan. Relative luminance 0.430; OKLCH L 74.5% C 0.113 H 215.3°. Best body text is #000000 at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#42BED9
RGB	rgb(66, 190, 217)
HSL	hsl(191, 67%, 55%)
HSV	hsv(191, 70%, 85%)
CMYK	cmyk(69.6%, 12.4%, 0%, 14.9%)
CIE-LAB	lab(71.55, -25.31, -23.44)
CIE-LCH	lch(71.55, 34.50, 222.81°)
OKLab	oklab(74.47% -0.0922 -0.0653)
OKLCH	oklch(74.47% 0.113 215.3)
XYZ	xyz(33.1793, 42.9911, 72.1817)
Luminance	0.4299 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BED9 #D95D42

analogous

#42D9A8 #42BED9 #4273D9

triadic

#42BED9 #D942BE #BED942

tetradic

#42BED9 #A842D9 #D95D42 #73D942

square

#42BED9 #A842D9 #D95D42 #73D942

split-complementary

#42BED9 #D94273 #D9A842

monochromatic

#1B7386 #259EB9 #42BED9 #75D0E3 #A8E1ED

Accessibility & contrast

On white

2.19

#42BED9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.60

#42BED9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BED9

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BED9	#FFFFFF	#000000	##000000
##42BED9	1.00	2.19	9.60	9.60
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.60	21.00	1.00	1.00
##000000	9.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB8DB

Deuteranopia (green-blind)

#96A9D9

Tritanopia (blue-blind)

#00C8C6

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #42bed9;
/* rgb */ color: rgb(66, 190, 217);
/* oklch */ color: oklch(74.5% 0.113 215.3);

Tailwind

colors: {
  custom: {
    50: '#89d2e4',
    500: '#42bed9',
    950: '#000000',
  },
}

SCSS

$custom: #42bed9;
$custom-light: #89d2e4;
$custom-dark: #000000;

JSON

{
  "hex": "#42bed9",
  "rgb": {
    "r": 66,
    "g": 190,
    "b": 217
  },
  "hsl": {
    "h": 190.728,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.7447,
    "c": 0.11302,
    "h": 215.3
  },
  "luminance": 0.42995
}

Semantic roles & 50–950 ramp

primary

#42BED9

secondary

#DBA79C

accent

#5D3EE9

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #42BED9

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

Preview Lab → · Contrast checker → · Palette generator →