#40B6CE#40B6CE

#40B6CE is a light, moderate cyan. Relative luminance 0.390; OKLCH L 72.1% C 0.108 H 214.0°. Best body text is #000000 at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#40B6CE
RGB	rgb(64, 182, 206)
HSL	hsl(190, 59%, 53%)
HSV	hsv(190, 69%, 81%)
CMYK	cmyk(68.9%, 11.7%, 0%, 19.2%)
CIE-LAB	lab(68.75, -24.95, -21.70)
CIE-LCH	lch(68.75, 33.07, 221.01°)
OKLab	oklab(72.08% -0.0896 -0.0604)
OKLCH	oklch(72.08% 0.108 214)
XYZ	xyz(29.9782, 38.9987, 64.3281)
Luminance	0.3900 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B6CE #CE5840

analogous

#40CE9F #40B6CE #406FCE

triadic

#40B6CE #CE40B6 #B6CE40

tetradic

#40B6CE #9F40CE #CE5840 #6FCE40

square

#40B6CE #9F40CE #CE5840 #6FCE40

split-complementary

#40B6CE #CE406F #CE9F40

monochromatic

#1E6775 #2B91A6 #40B6CE #71C9DA #A1DBE7

Accessibility & contrast

On white

2.39

#40B6CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.80

#40B6CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B6CE

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B6CE	#FFFFFF	#000000	##000000
##40B6CE	1.00	2.39	8.80	8.80
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.80	21.00	1.00	1.00
##000000	8.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4B0CF

Deuteranopia (green-blind)

#90A1CE

Tritanopia (blue-blind)

#00BFBD

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #40b6ce;
/* rgb */ color: rgb(64, 182, 206);
/* oklch */ color: oklch(72.1% 0.108 214.0);

Tailwind

colors: {
  custom: {
    50: '#87ccdd',
    500: '#40b6ce',
    950: '#000000',
  },
}

SCSS

$custom: #40b6ce;
$custom-light: #87ccdd;
$custom-dark: #000000;

JSON

{
  "hex": "#40b6ce",
  "rgb": {
    "r": 64,
    "g": 182,
    "b": 206
  },
  "hsl": {
    "h": 190.141,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.72076,
    "c": 0.10803,
    "h": 214
  },
  "luminance": 0.39002
}

Semantic roles & 50–950 ramp

primary

#40B6CE

secondary

#D4A196

accent

#6045E2

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #40B6CE

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

Preview Lab → · Contrast checker → · Palette generator →