#40ADCF#40ADCF

#40ADCF is a light, moderate cyan. Relative luminance 0.355; OKLCH L 70.0% C 0.109 H 222.5°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#40ADCF
RGB	rgb(64, 173, 207)
HSL	hsl(194, 60%, 53%)
HSV	hsv(194, 69%, 81%)
CMYK	cmyk(69.1%, 16.4%, 0%, 18.8%)
CIE-LAB	lab(66.12, -20.03, -26.27)
CIE-LCH	lch(66.12, 33.04, 232.69°)
OKLab	oklab(69.98% -0.0802 -0.0734)
OKLCH	oklch(69.98% 0.109 222.5)
XYZ	xyz(28.3158, 35.4789, 64.3752)
Luminance	0.3548 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40ADCF #CF6240

analogous

#40CFAA #40ADCF #4065CF

triadic

#40ADCF #CF40AD #ADCF40

tetradic

#40ADCF #AA40CF #CF6240 #65CF40

square

#40ADCF #AA40CF #CF6240 #65CF40

split-complementary

#40ADCF #CF4065 #CFAA40

monochromatic

#1E6277 #2A8AA8 #40ADCF #71C2DB #A2D7E8

Accessibility & contrast

On white

2.59

#40ADCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.10

#40ADCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ADCF

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40ADCF	#FFFFFF	#000000	##000000
##40ADCF	1.00	2.59	8.10	8.10
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.10	21.00	1.00	1.00
##000000	8.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99A9D1

Deuteranopia (green-blind)

#859ACF

Tritanopia (blue-blind)

#00B8B8

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40adcf;
/* rgb */ color: rgb(64, 173, 207);
/* oklch */ color: oklch(70.0% 0.109 222.5);

Tailwind

colors: {
  custom: {
    50: '#86c5dd',
    500: '#40adcf',
    950: '#000000',
  },
}

SCSS

$custom: #40adcf;
$custom-light: #86c5dd;
$custom-dark: #000000;

JSON

{
  "hex": "#40adcf",
  "rgb": {
    "r": 64,
    "g": 173,
    "b": 207
  },
  "hsl": {
    "h": 194.266,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.69976,
    "c": 0.10869,
    "h": 222.5
  },
  "luminance": 0.35482
}

Semantic roles & 50–950 ramp

primary

#40ADCF

secondary

#D4A597

accent

#6A45E3

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #40ADCF

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

Preview Lab → · Contrast checker → · Palette generator →