#40B9CF#40B9CF

#40B9CF is a light, moderate teal. Relative luminance 0.403; OKLCH L 72.8% C 0.109 H 212.2°. Best body text is #000000 at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#40B9CF
RGB	rgb(64, 185, 207)
HSL	hsl(189, 60%, 53%)
HSV	hsv(189, 69%, 81%)
CMYK	cmyk(69.1%, 10.6%, 0%, 18.8%)
CIE-LAB	lab(69.68, -26.15, -20.84)
CIE-LCH	lch(69.68, 33.44, 218.55°)
OKLab	oklab(72.83% -0.0922 -0.058)
OKLCH	oklch(72.83% 0.109 212.2)
XYZ	xyz(30.7210, 40.2894, 65.1769)
Luminance	0.4029 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B9CF #CF5640

analogous

#40CF9E #40B9CF #4071CF

triadic

#40B9CF #CF40B9 #B9CF40

tetradic

#40B9CF #9E40CF #CF5640 #71CF40

square

#40B9CF #9E40CF #CF5640 #71CF40

split-complementary

#40B9CF #CF4071 #CF9E40

monochromatic

#1E6977 #2A94A8 #40B9CF #71CBDB #A2DDE8

Accessibility & contrast

On white

2.32

#40B9CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.06

#40B9CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B9CF

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B9CF	#FFFFFF	#000000	##000000
##40B9CF	1.00	2.32	9.06	9.06
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.06	21.00	1.00	1.00
##000000	9.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B3D0

Deuteranopia (green-blind)

#94A4CF

Tritanopia (blue-blind)

#00C2C0

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #40b9cf;
/* rgb */ color: rgb(64, 185, 207);
/* oklch */ color: oklch(72.8% 0.109 212.2);

Tailwind

colors: {
  custom: {
    50: '#87cedd',
    500: '#40b9cf',
    950: '#000000',
  },
}

SCSS

$custom: #40b9cf;
$custom-light: #87cedd;
$custom-dark: #000000;

JSON

{
  "hex": "#40b9cf",
  "rgb": {
    "r": 64,
    "g": 185,
    "b": 207
  },
  "hsl": {
    "h": 189.231,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.72832,
    "c": 0.10889,
    "h": 212.2
  },
  "luminance": 0.40293
}

Semantic roles & 50–950 ramp

primary

#40B9CF

secondary

#D4A097

accent

#5D45E3

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #40B9CF

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

Preview Lab → · Contrast checker → · Palette generator →