#42B9CD#42B9CD

#42B9CD is a light, moderate teal. Relative luminance 0.403; OKLCH L 72.8% C 0.107 H 210.8°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#42B9CD
RGB	rgb(66, 185, 205)
HSL	hsl(189, 58%, 53%)
HSV	hsv(189, 68%, 80%)
CMYK	cmyk(67.8%, 9.8%, 0%, 19.6%)
CIE-LAB	lab(69.65, -26.47, -19.77)
CIE-LCH	lch(69.65, 33.04, 216.75°)
OKLab	oklab(72.81% -0.092 -0.0549)
OKLCH	oklch(72.81% 0.107 210.8)
XYZ	xyz(30.6105, 40.2605, 63.9036)
Luminance	0.4026 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B9CD #CD5642

analogous

#42CD9B #42B9CD #4273CD

triadic

#42B9CD #CD42B9 #B9CD42

tetradic

#42B9CD #9B42CD #CD5642 #73CD42

square

#42B9CD #9B42CD #CD5642 #73CD42

split-complementary

#42B9CD #CD4273 #CD9B42

monochromatic

#1F6976 #2C94A6 #42B9CD #72CBDA #A3DDE7

Accessibility & contrast

On white

2.32

#42B9CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.05

#42B9CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B9CD

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B9CD	#FFFFFF	#000000	##000000
##42B9CD	1.00	2.32	9.05	9.05
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.05	21.00	1.00	1.00
##000000	9.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B3CE

Deuteranopia (green-blind)

#95A4CD

Tritanopia (blue-blind)

#00C2BF

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #42b9cd;
/* rgb */ color: rgb(66, 185, 205);
/* oklch */ color: oklch(72.8% 0.107 210.8);

Tailwind

colors: {
  custom: {
    50: '#88cedc',
    500: '#42b9cd',
    950: '#000000',
  },
}

SCSS

$custom: #42b9cd;
$custom-light: #88cedc;
$custom-dark: #000000;

JSON

{
  "hex": "#42b9cd",
  "rgb": {
    "r": 66,
    "g": 185,
    "b": 205
  },
  "hsl": {
    "h": 188.633,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.72807,
    "c": 0.10719,
    "h": 210.8
  },
  "luminance": 0.40264
}

Semantic roles & 50–950 ramp

primary

#42B9CD

secondary

#D3A097

accent

#5D46E1

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #42B9CD

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

Preview Lab → · Contrast checker → · Palette generator →