#40ABC4#40ABC4

#40ABC4 is a light, moderate cyan. Relative luminance 0.342; OKLCH L 69.0% C 0.102 H 216.3°. Best body text is #000000 at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#40ABC4
RGB	rgb(64, 171, 196)
HSL	hsl(191, 53%, 51%)
HSV	hsv(191, 67%, 77%)
CMYK	cmyk(67.3%, 12.8%, 0%, 23.1%)
CIE-LAB	lab(65.12, -22.45, -21.71)
CIE-LCH	lch(65.12, 31.23, 224.04°)
OKLab	oklab(69.04% -0.0824 -0.0605)
OKLCH	oklch(69.04% 0.102 216.3)
XYZ	xyz(26.6369, 34.1984, 57.4110)
Luminance	0.3420 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40ABC4 #C45940

analogous

#40C49B #40ABC4 #4069C4

triadic

#40ABC4 #C440AB #ABC440

tetradic

#40ABC4 #9B40C4 #C45940 #69C440

square

#40ABC4 #9B40C4 #C45940 #69C440

split-complementary

#40ABC4 #C44069 #C49B40

monochromatic

#205B69 #2F8498 #40ABC4 #6FC0D2 #9ED4E1

Accessibility & contrast

On white

2.68

#40ABC4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.84

#40ABC4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ABC4

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40ABC4	#FFFFFF	#000000	##000000
##40ABC4	1.00	2.68	7.84	7.84
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.84	21.00	1.00	1.00
##000000	7.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AA6C5

Deuteranopia (green-blind)

#8798C4

Tritanopia (blue-blind)

#00B4B3

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40abc4;
/* rgb */ color: rgb(64, 171, 196);
/* oklch */ color: oklch(69.0% 0.102 216.3);

Tailwind

colors: {
  custom: {
    50: '#85c4d6',
    500: '#40abc4',
    950: '#000000',
  },
}

SCSS

$custom: #40abc4;
$custom-light: #85c4d6;
$custom-dark: #000000;

JSON

{
  "hex": "#40abc4",
  "rgb": {
    "r": 64,
    "g": 171,
    "b": 196
  },
  "hsl": {
    "h": 191.364,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.69039,
    "c": 0.1022,
    "h": 216.3
  },
  "luminance": 0.34201
}

Semantic roles & 50–950 ramp

primary

#40ABC4

secondary

#CD9E93

accent

#674CDC

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #40ABC4

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

Preview Lab → · Contrast checker → · Palette generator →