#40C3DB#40C3DB

#40C3DB is a light, moderate teal. Relative luminance 0.452; OKLCH L 75.7% C 0.115 H 212.5°. Best body text is #000000 at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#40C3DB
RGB	rgb(64, 195, 219)
HSL	hsl(189, 68%, 55%)
HSV	hsv(189, 71%, 86%)
CMYK	cmyk(70.8%, 11%, 0%, 14.1%)
CIE-LAB	lab(73.04, -27.45, -22.26)
CIE-LCH	lch(73.04, 35.34, 219.03°)
OKLab	oklab(75.68% -0.0973 -0.0619)
OKLCH	oklch(75.68% 0.115 212.5)
XYZ	xyz(34.4102, 45.2307, 73.9210)
Luminance	0.4523 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C3DB #DB5840

analogous

#40DBA5 #40C3DB #4076DB

triadic

#40C3DB #DB40C3 #C3DB40

tetradic

#40C3DB #A540DB #DB5840 #76DB40

square

#40C3DB #A540DB #DB5840 #76DB40

split-complementary

#40C3DB #DB4076 #DBA540

monochromatic

#197687 #23A3BB #40C3DB #73D3E5 #A7E3EE

Accessibility & contrast

On white

2.09

#40C3DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.05

#40C3DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C3DB

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C3DB	#FFFFFF	#000000	##000000
##40C3DB	1.00	2.09	10.05	10.05
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.05	21.00	1.00	1.00
##000000	10.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1BCDC

Deuteranopia (green-blind)

#9BACDB

Tritanopia (blue-blind)

#00CDCA

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #40c3db;
/* rgb */ color: rgb(64, 195, 219);
/* oklch */ color: oklch(75.7% 0.115 212.5);

Tailwind

colors: {
  custom: {
    50: '#89d5e6',
    500: '#40c3db',
    950: '#000000',
  },
}

SCSS

$custom: #40c3db;
$custom-light: #89d5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#40c3db",
  "rgb": {
    "r": 64,
    "g": 195,
    "b": 219
  },
  "hsl": {
    "h": 189.29,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.75683,
    "c": 0.11532,
    "h": 212.5
  },
  "luminance": 0.45235
}

Semantic roles & 50–950 ramp

primary

#40C3DB

secondary

#DCA59B

accent

#583DEB

background

#F9FDFE

surface

#F1FAFC

border

#CBD3D5

text

#0D1415

muted

#7E8384

Preview Lab

Preview with #40C3DB

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

Preview Lab → · Contrast checker → · Palette generator →