#40B8CF#40B8CF

#40B8CF is a light, moderate teal. Relative luminance 0.399; OKLCH L 72.6% C 0.109 H 213.0°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#40B8CF
RGB	rgb(64, 184, 207)
HSL	hsl(190, 60%, 53%)
HSV	hsv(190, 69%, 81%)
CMYK	cmyk(69.1%, 11.1%, 0%, 18.8%)
CIE-LAB	lab(69.38, -25.65, -21.29)
CIE-LCH	lch(69.38, 33.34, 219.69°)
OKLab	oklab(72.59% -0.0912 -0.0592)
OKLCH	oklch(72.59% 0.109 213)
XYZ	xyz(30.5126, 39.8725, 65.1074)
Luminance	0.3988 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B8CF #CF5740

analogous

#40CF9E #40B8CF #4070CF

triadic

#40B8CF #CF40B8 #B8CF40

tetradic

#40B8CF #9E40CF #CF5740 #70CF40

square

#40B8CF #9E40CF #CF5740 #70CF40

split-complementary

#40B8CF #CF4070 #CF9E40

monochromatic

#1E6877 #2A93A8 #40B8CF #71CADB #A2DCE8

Accessibility & contrast

On white

2.34

#40B8CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.98

#40B8CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B8CF

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B8CF	#FFFFFF	#000000	##000000
##40B8CF	1.00	2.34	8.98	8.98
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.98	21.00	1.00	1.00
##000000	8.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B2D0

Deuteranopia (green-blind)

#92A3CF

Tritanopia (blue-blind)

#00C1BF

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #40b8cf;
/* rgb */ color: rgb(64, 184, 207);
/* oklch */ color: oklch(72.6% 0.109 213.0);

Tailwind

colors: {
  custom: {
    50: '#87cddd',
    500: '#40b8cf',
    950: '#000000',
  },
}

SCSS

$custom: #40b8cf;
$custom-light: #87cddd;
$custom-dark: #000000;

JSON

{
  "hex": "#40b8cf",
  "rgb": {
    "r": 64,
    "g": 184,
    "b": 207
  },
  "hsl": {
    "h": 189.65,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.72594,
    "c": 0.10873,
    "h": 213
  },
  "luminance": 0.39876
}

Semantic roles & 50–950 ramp

primary

#40B8CF

secondary

#D4A097

accent

#5E45E3

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #40B8CF

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

Preview Lab → · Contrast checker → · Palette generator →