#40BDE2#40BDE2

#40BDE2 is a light, moderate cyan. Relative luminance 0.430; OKLCH L 74.6% C 0.119 H 221.8°. Best body text is #000000 at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#40BDE2
RGB	rgb(64, 189, 226)
HSL	hsl(194, 74%, 57%)
HSV	hsv(194, 72%, 89%)
CMYK	cmyk(71.7%, 16.4%, 0%, 11.4%)
CIE-LAB	lab(71.54, -22.26, -28.36)
CIE-LCH	lch(71.54, 36.05, 231.88°)
OKLab	oklab(74.56% -0.0887 -0.0793)
OKLCH	oklch(74.56% 0.119 221.8)
XYZ	xyz(34.0337, 42.9722, 78.4375)
Luminance	0.4298 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BDE2 #E26540

analogous

#40E2B6 #40BDE2 #406CE2

triadic

#40BDE2 #E240BD #BDE240

tetradic

#40BDE2 #B640E2 #E26540 #6CE240

square

#40BDE2 #B640E2 #E26540 #6CE240

split-complementary

#40BDE2 #E2406C #E2B640

monochromatic

#167592 #1EA0C7 #40BDE2 #75CFEA #AAE2F2

Accessibility & contrast

On white

2.19

#40BDE2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.60

#40BDE2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BDE2

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BDE2	#FFFFFF	#000000	##000000
##40BDE2	1.00	2.19	9.60	9.60
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.60	21.00	1.00	1.00
##000000	9.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B8E4

Deuteranopia (green-blind)

#91A8E2

Tritanopia (blue-blind)

#00C9C9

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #40bde2;
/* rgb */ color: rgb(64, 189, 226);
/* oklch */ color: oklch(74.6% 0.119 221.8);

Tailwind

colors: {
  custom: {
    50: '#8ad1eb',
    500: '#40bde2',
    950: '#000000',
  },
}

SCSS

$custom: #40bde2;
$custom-light: #8ad1eb;
$custom-dark: #000000;

JSON

{
  "hex": "#40bde2",
  "rgb": {
    "r": 64,
    "g": 189,
    "b": 226
  },
  "hsl": {
    "h": 193.704,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.74555,
    "c": 0.11901,
    "h": 221.8
  },
  "luminance": 0.42976
}

Semantic roles & 50–950 ramp

primary

#40BDE2

secondary

#E0AD9E

accent

#6238F0

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #40BDE2

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

Preview Lab → · Contrast checker → · Palette generator →