#40B7CF#40B7CF

#40B7CF is a light, moderate cyan. Relative luminance 0.395; OKLCH L 72.4% C 0.109 H 213.9°. Best body text is #000000 at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#40B7CF
RGB	rgb(64, 183, 207)
HSL	hsl(190, 60%, 53%)
HSV	hsv(190, 69%, 81%)
CMYK	cmyk(69.1%, 11.6%, 0%, 18.8%)
CIE-LAB	lab(69.08, -25.15, -21.74)
CIE-LCH	lch(69.08, 33.24, 220.84°)
OKLab	oklab(72.36% -0.0902 -0.0605)
OKLCH	oklch(72.36% 0.109 213.9)
XYZ	xyz(30.3056, 39.4585, 65.0385)
Luminance	0.3946 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B7CF #CF5840

analogous

#40CF9F #40B7CF #406FCF

triadic

#40B7CF #CF40B7 #B7CF40

tetradic

#40B7CF #9F40CF #CF5840 #6FCF40

square

#40B7CF #9F40CF #CF5840 #6FCF40

split-complementary

#40B7CF #CF406F #CF9F40

monochromatic

#1E6877 #2A93A8 #40B7CF #71C9DB #A2DCE8

Accessibility & contrast

On white

2.36

#40B7CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.89

#40B7CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B7CF

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B7CF	#FFFFFF	#000000	##000000
##40B7CF	1.00	2.36	8.89	8.89
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.89	21.00	1.00	1.00
##000000	8.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B1D0

Deuteranopia (green-blind)

#91A2CF

Tritanopia (blue-blind)

#00C0BE

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #40b7cf;
/* rgb */ color: rgb(64, 183, 207);
/* oklch */ color: oklch(72.4% 0.109 213.9);

Tailwind

colors: {
  custom: {
    50: '#87cddd',
    500: '#40b7cf',
    950: '#000000',
  },
}

SCSS

$custom: #40b7cf;
$custom-light: #87cddd;
$custom-dark: #000000;

JSON

{
  "hex": "#40b7cf",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 207
  },
  "hsl": {
    "h": 190.07,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.72355,
    "c": 0.10861,
    "h": 213.9
  },
  "luminance": 0.39462
}

Semantic roles & 50–950 ramp

primary

#40B7CF

secondary

#D4A197

accent

#5F45E3

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #40B7CF

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

Preview Lab → · Contrast checker → · Palette generator →