#40DAF0#40DAF0

#40DAF0 is a light, vivid teal. Relative luminance 0.575; OKLCH L 81.9% C 0.127 H 209.1°. Best body text is #000000 at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#40DAF0
RGB	rgb(64, 218, 240)
HSL	hsl(188, 85%, 60%)
HSV	hsv(188, 73%, 94%)
CMYK	cmyk(73.3%, 9.2%, 0%, 5.9%)
CIE-LAB	lab(80.47, -32.26, -22.24)
CIE-LCH	lch(80.47, 39.19, 214.58°)
OKLab	oklab(81.91% -0.111 -0.0619)
OKLCH	oklch(81.91% 0.127 209.1)
XYZ	xyz(42.9071, 57.5189, 91.2621)
Luminance	0.5752 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DAF0 #F05640

analogous

#40F0AE #40DAF0 #4082F0

triadic

#40DAF0 #F040DA #DAF040

tetradic

#40DAF0 #AE40F0 #F05640 #82F040

square

#40DAF0 #AE40F0 #F05640 #82F040

split-complementary

#40DAF0 #F04082 #F0AE40

monochromatic

#0D95A8 #12C7E1 #40DAF0 #79E5F4 #B1F0F9

Accessibility & contrast

On white

1.68

#40DAF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.50

#40DAF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DAF0

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DAF0	#FFFFFF	#000000	##000000
##40DAF0	1.00	1.68	12.50	12.50
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.50	21.00	1.00	1.00
##000000	12.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6D2F1

Deuteranopia (green-blind)

#AEC0F0

Tritanopia (blue-blind)

#00E4E1

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #40daf0;
/* rgb */ color: rgb(64, 218, 240);
/* oklch */ color: oklch(81.9% 0.127 209.1);

Tailwind

colors: {
  custom: {
    50: '#8ee6f5',
    500: '#40daf0',
    950: '#000000',
  },
}

SCSS

$custom: #40daf0;
$custom-light: #8ee6f5;
$custom-dark: #000000;

JSON

{
  "hex": "#40daf0",
  "rgb": {
    "r": 64,
    "g": 218,
    "b": 240
  },
  "hsl": {
    "h": 187.5,
    "s": 85.437,
    "l": 59.608
  },
  "oklch": {
    "l": 0.81909,
    "c": 0.12711,
    "h": 209.1
  },
  "luminance": 0.57524
}

Semantic roles & 50–950 ramp

primary

#40DAF0

secondary

#AA3B2B

accent

#462CFC

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1617

muted

#7F8485

Preview Lab

Preview with #40DAF0

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

Preview Lab → · Contrast checker → · Palette generator →