#40BCE1#40BCE1

#40BCE1 is a light, moderate cyan. Relative luminance 0.425; OKLCH L 74.3% C 0.118 H 221.9°. Best body text is #000000 at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#40BCE1
RGB	rgb(64, 188, 225)
HSL	hsl(194, 73%, 57%)
HSV	hsv(194, 72%, 88%)
CMYK	cmyk(71.6%, 16.4%, 0%, 11.8%)
CIE-LAB	lab(71.21, -22.06, -28.33)
CIE-LCH	lch(71.21, 35.90, 232.09°)
OKLab	oklab(74.28% -0.0882 -0.0792)
OKLCH	oklch(74.28% 0.119 221.9)
XYZ	xyz(33.6826, 42.4888, 77.6455)
Luminance	0.4249 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BCE1 #E16540

analogous

#40E1B6 #40BCE1 #406CE1

triadic

#40BCE1 #E140BC #BCE140

tetradic

#40BCE1 #B640E1 #E16540 #6CE140

square

#40BCE1 #B640E1 #E16540 #6CE140

split-complementary

#40BCE1 #E1406C #E1B640

monochromatic

#177490 #1F9FC5 #40BCE1 #75CFE9 #AAE1F2

Accessibility & contrast

On white

2.21

#40BCE1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.50

#40BCE1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BCE1

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BCE1	#FFFFFF	#000000	##000000
##40BCE1	1.00	2.21	9.50	9.50
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.50	21.00	1.00	1.00
##000000	9.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B7E3

Deuteranopia (green-blind)

#90A7E1

Tritanopia (blue-blind)

#00C8C8

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #40bce1;
/* rgb */ color: rgb(64, 188, 225);
/* oklch */ color: oklch(74.3% 0.118 221.9);

Tailwind

colors: {
  custom: {
    50: '#8ad0ea',
    500: '#40bce1',
    950: '#000000',
  },
}

SCSS

$custom: #40bce1;
$custom-light: #8ad0ea;
$custom-dark: #000000;

JSON

{
  "hex": "#40bce1",
  "rgb": {
    "r": 64,
    "g": 188,
    "b": 225
  },
  "hsl": {
    "h": 193.789,
    "s": 72.851,
    "l": 56.667
  },
  "oklch": {
    "l": 0.74278,
    "c": 0.1185,
    "h": 221.9
  },
  "luminance": 0.42493
}

Semantic roles & 50–950 ramp

primary

#40BCE1

secondary

#DFAD9D

accent

#6238F0

background

#F9FCFE

surface

#F1F9FD

border

#CBD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #40BCE1

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

Preview Lab → · Contrast checker → · Palette generator →