#42BAC8#42BAC8

#42BAC8 is a light, moderate teal. Relative luminance 0.404; OKLCH L 72.9% C 0.106 H 206.2°. Best body text is #000000 at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#42BAC8
RGB	rgb(66, 186, 200)
HSL	hsl(186, 55%, 52%)
HSV	hsv(186, 67%, 78%)
CMYK	cmyk(67%, 7%, 0%, 21.6%)
CIE-LAB	lab(69.78, -28.47, -16.83)
CIE-LCH	lch(69.78, 33.07, 210.59°)
OKLab	oklab(72.86% -0.0951 -0.0467)
OKLCH	oklch(72.86% 0.106 206.2)
XYZ	xyz(30.2265, 40.4428, 60.8456)
Luminance	0.4045 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BAC8 #C85042

analogous

#42C893 #42BAC8 #4277C8

triadic

#42BAC8 #C842BA #BAC842

tetradic

#42BAC8 #9342C8 #C85042 #77C842

square

#42BAC8 #9342C8 #C85042 #77C842

split-complementary

#42BAC8 #C84277 #C89342

monochromatic

#20676F #2E939F #42BAC8 #71CBD6 #A1DDE4

Accessibility & contrast

On white

2.31

#42BAC8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.09

#42BAC8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BAC8

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BAC8	#FFFFFF	#000000	##000000
##42BAC8	1.00	2.31	9.09	9.09
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.09	21.00	1.00	1.00
##000000	9.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB3C9

Deuteranopia (green-blind)

#97A4C8

Tritanopia (blue-blind)

#00C2BE

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #42bac8;
/* rgb */ color: rgb(66, 186, 200);
/* oklch */ color: oklch(72.9% 0.106 206.2);

Tailwind

colors: {
  custom: {
    50: '#87cfd8',
    500: '#42bac8',
    950: '#000000',
  },
}

SCSS

$custom: #42bac8;
$custom-light: #87cfd8;
$custom-dark: #000000;

JSON

{
  "hex": "#42bac8",
  "rgb": {
    "r": 66,
    "g": 186,
    "b": 200
  },
  "hsl": {
    "h": 186.269,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.72855,
    "c": 0.10594,
    "h": 206.2
  },
  "luminance": 0.40446
}

Semantic roles & 50–950 ramp

primary

#42BAC8

secondary

#D09C96

accent

#594ADE

background

#F9FCFD

surface

#F1F9FA

border

#CBD2D3

text

#0D1414

muted

#7E8283

Preview Lab

Preview with #42BAC8

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

Preview Lab → · Contrast checker → · Palette generator →