#40DAEF#40DAEF

#40DAEF is a light, vivid teal. Relative luminance 0.575; OKLCH L 81.9% C 0.127 H 208.5°. Best body text is #000000 at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#40DAEF
RGB	rgb(64, 218, 239)
HSL	hsl(187, 85%, 59%)
HSV	hsv(187, 73%, 94%)
CMYK	cmyk(73.2%, 8.8%, 0%, 6.3%)
CIE-LAB	lab(80.44, -32.56, -21.76)
CIE-LCH	lch(80.44, 39.16, 213.75°)
OKLab	oklab(81.87% -0.1114 -0.0605)
OKLCH	oklch(81.87% 0.127 208.5)
XYZ	xyz(42.7590, 57.4597, 90.4819)
Luminance	0.5746 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DAEF #EF5540

analogous

#40EFAD #40DAEF #4083EF

triadic

#40DAEF #EF40DA #DAEF40

tetradic

#40DAEF #AD40EF #EF5540 #83EF40

square

#40DAEF #AD40EF #EF5540 #83EF40

split-complementary

#40DAEF #EF4083 #EFAD40

monochromatic

#0E94A7 #13C7DF #40DAEF #78E5F4 #B1F0F8

Accessibility & contrast

On white

1.68

#40DAEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.49

#40DAEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DAEF

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DAEF	#FFFFFF	#000000	##000000
##40DAEF	1.00	1.68	12.49	12.49
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.49	21.00	1.00	1.00
##000000	12.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7D2F0

Deuteranopia (green-blind)

#AEC0EF

Tritanopia (blue-blind)

#00E4E0

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #40daef;
/* rgb */ color: rgb(64, 218, 239);
/* oklch */ color: oklch(81.9% 0.127 208.5);

Tailwind

colors: {
  custom: {
    50: '#8ee6f4',
    500: '#40daef',
    950: '#000000',
  },
}

SCSS

$custom: #40daef;
$custom-light: #8ee6f4;
$custom-dark: #000000;

JSON

{
  "hex": "#40daef",
  "rgb": {
    "r": 64,
    "g": 218,
    "b": 239
  },
  "hsl": {
    "h": 187.2,
    "s": 84.541,
    "l": 59.412
  },
  "oklch": {
    "l": 0.81871,
    "c": 0.1268,
    "h": 208.5
  },
  "luminance": 0.57465
}

Semantic roles & 50–950 ramp

primary

#40DAEF

secondary

#A83A2B

accent

#462DFB

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1617

muted

#7F8485

Preview Lab

Preview with #40DAEF

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

Preview Lab → · Contrast checker → · Palette generator →