#40BEE1#40BEE1

#40BEE1 is a light, moderate cyan. Relative luminance 0.434; OKLCH L 74.7% C 0.118 H 220.4°. Best body text is #000000 at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#40BEE1
RGB	rgb(64, 190, 225)
HSL	hsl(193, 73%, 57%)
HSV	hsv(193, 72%, 88%)
CMYK	cmyk(71.6%, 15.6%, 0%, 11.8%)
CIE-LAB	lab(71.79, -23.08, -27.43)
CIE-LCH	lch(71.79, 35.85, 229.92°)
OKLab	oklab(74.75% -0.0901 -0.0766)
OKLCH	oklch(74.75% 0.118 220.4)
XYZ	xyz(34.1128, 43.3492, 77.7889)
Luminance	0.4335 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BEE1 #E16340

analogous

#40E1B3 #40BEE1 #406EE1

triadic

#40BEE1 #E140BE #BEE140

tetradic

#40BEE1 #B340E1 #E16340 #6EE140

square

#40BEE1 #B340E1 #E16340 #6EE140

split-complementary

#40BEE1 #E1406E #E1B340

monochromatic

#177690 #1FA1C5 #40BEE1 #75D0E9 #AAE2F2

Accessibility & contrast

On white

2.17

#40BEE1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.67

#40BEE1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BEE1

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BEE1	#FFFFFF	#000000	##000000
##40BEE1	1.00	2.17	9.67	9.67
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.67	21.00	1.00	1.00
##000000	9.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B9E3

Deuteranopia (green-blind)

#93A9E1

Tritanopia (blue-blind)

#00C9C9

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #40bee1;
/* rgb */ color: rgb(64, 190, 225);
/* oklch */ color: oklch(74.7% 0.118 220.4);

Tailwind

colors: {
  custom: {
    50: '#8ad1ea',
    500: '#40bee1',
    950: '#000000',
  },
}

SCSS

$custom: #40bee1;
$custom-light: #8ad1ea;
$custom-dark: #000000;

JSON

{
  "hex": "#40bee1",
  "rgb": {
    "r": 64,
    "g": 190,
    "b": 225
  },
  "hsl": {
    "h": 193.043,
    "s": 72.851,
    "l": 56.667
  },
  "oklch": {
    "l": 0.74747,
    "c": 0.11826,
    "h": 220.4
  },
  "luminance": 0.43353
}

Semantic roles & 50–950 ramp

primary

#40BEE1

secondary

#DFAC9D

accent

#6038F0

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #40BEE1

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

Preview Lab → · Contrast checker → · Palette generator →