#40B8CC#40B8CC

#40B8CC is a light, moderate teal. Relative luminance 0.397; OKLCH L 72.5% C 0.108 H 210.8°. Best body text is #000000 at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#40B8CC
RGB	rgb(64, 184, 204)
HSL	hsl(189, 58%, 53%)
HSV	hsv(189, 69%, 80%)
CMYK	cmyk(68.6%, 9.8%, 0%, 20%)
CIE-LAB	lab(69.27, -26.57, -19.80)
CIE-LCH	lch(69.27, 33.14, 216.70°)
OKLab	oklab(72.48% -0.0924 -0.055)
OKLCH	oklch(72.48% 0.108 210.8)
XYZ	xyz(30.1493, 39.7272, 63.1942)
Luminance	0.3973 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B8CC #CC5440

analogous

#40CC9A #40B8CC #4072CC

triadic

#40B8CC #CC40B8 #B8CC40

tetradic

#40B8CC #9A40CC #CC5440 #72CC40

square

#40B8CC #9A40CC #CC5440 #72CC40

split-complementary

#40B8CC #CC4072 #CC9A40

monochromatic

#1F6773 #2C92A3 #40B8CC #70CAD9 #A1DCE6

Accessibility & contrast

On white

2.35

#40B8CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.95

#40B8CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B8CC

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B8CC	#FFFFFF	#000000	##000000
##40B8CC	1.00	2.35	8.95	8.95
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.95	21.00	1.00	1.00
##000000	8.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B2CD

Deuteranopia (green-blind)

#93A3CC

Tritanopia (blue-blind)

#00C1BE

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #40b8cc;
/* rgb */ color: rgb(64, 184, 204);
/* oklch */ color: oklch(72.5% 0.108 210.8);

Tailwind

colors: {
  custom: {
    50: '#87cddb',
    500: '#40b8cc',
    950: '#000000',
  },
}

SCSS

$custom: #40b8cc;
$custom-light: #87cddb;
$custom-dark: #000000;

JSON

{
  "hex": "#40b8cc",
  "rgb": {
    "r": 64,
    "g": 184,
    "b": 204
  },
  "hsl": {
    "h": 188.571,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.72476,
    "c": 0.10754,
    "h": 210.8
  },
  "luminance": 0.39731
}

Semantic roles & 50–950 ramp

primary

#40B8CC

secondary

#D29E95

accent

#5D47E1

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #40B8CC

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

Preview Lab → · Contrast checker → · Palette generator →