#40B2CF#40B2CF

#40B2CF is a light, moderate cyan. Relative luminance 0.374; OKLCH L 71.2% C 0.108 H 218.2°. Best body text is #000000 at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#40B2CF
RGB	rgb(64, 178, 207)
HSL	hsl(192, 60%, 53%)
HSV	hsv(192, 69%, 81%)
CMYK	cmyk(69.1%, 14%, 0%, 18.8%)
CIE-LAB	lab(67.60, -22.61, -24.00)
CIE-LCH	lch(67.60, 32.98, 226.71°)
OKLab	oklab(71.16% -0.0852 -0.0669)
OKLCH	oklch(71.16% 0.108 218.2)
XYZ	xyz(29.2926, 37.4325, 64.7008)
Luminance	0.3744 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B2CF #CF5D40

analogous

#40CFA5 #40B2CF #406ACF

triadic

#40B2CF #CF40B2 #B2CF40

tetradic

#40B2CF #A540CF #CF5D40 #6ACF40

square

#40B2CF #A540CF #CF5D40 #6ACF40

split-complementary

#40B2CF #CF406A #CFA540

monochromatic

#1E6577 #2A8EA8 #40B2CF #71C6DB #A2D9E8

Accessibility & contrast

On white

2.47

#40B2CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.49

#40B2CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B2CF

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B2CF	#FFFFFF	#000000	##000000
##40B2CF	1.00	2.47	8.49	8.49
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.49	21.00	1.00	1.00
##000000	8.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FADD1

Deuteranopia (green-blind)

#8B9ECF

Tritanopia (blue-blind)

#00BCBB

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #40b2cf;
/* rgb */ color: rgb(64, 178, 207);
/* oklch */ color: oklch(71.2% 0.108 218.2);

Tailwind

colors: {
  custom: {
    50: '#87c9dd',
    500: '#40b2cf',
    950: '#000000',
  },
}

SCSS

$custom: #40b2cf;
$custom-light: #87c9dd;
$custom-dark: #000000;

JSON

{
  "hex": "#40b2cf",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 207
  },
  "hsl": {
    "h": 192.168,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.71164,
    "c": 0.10832,
    "h": 218.2
  },
  "luminance": 0.37436
}

Semantic roles & 50–950 ramp

primary

#40B2CF

secondary

#D4A397

accent

#6545E3

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #40B2CF

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

Preview Lab → · Contrast checker → · Palette generator →