#40AFCF#40AFCF

#40AFCF is a light, moderate cyan. Relative luminance 0.363; OKLCH L 70.5% C 0.108 H 220.8°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#40AFCF
RGB	rgb(64, 175, 207)
HSL	hsl(193, 60%, 53%)
HSV	hsv(193, 69%, 81%)
CMYK	cmyk(69.1%, 15.5%, 0%, 18.8%)
CIE-LAB	lab(66.71, -21.07, -25.37)
CIE-LCH	lch(66.71, 32.97, 230.29°)
OKLab	oklab(70.45% -0.0822 -0.0708)
OKLCH	oklch(70.45% 0.108 220.8)
XYZ	xyz(28.7022, 36.2517, 64.5040)
Luminance	0.3625 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AFCF #CF6040

analogous

#40CFA8 #40AFCF #4067CF

triadic

#40AFCF #CF40AF #AFCF40

tetradic

#40AFCF #A840CF #CF6040 #67CF40

square

#40AFCF #A840CF #CF6040 #67CF40

split-complementary

#40AFCF #CF4067 #CFA840

monochromatic

#1E6377 #2A8CA8 #40AFCF #71C3DB #A2D8E8

Accessibility & contrast

On white

2.55

#40AFCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.25

#40AFCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AFCF

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AFCF	#FFFFFF	#000000	##000000
##40AFCF	1.00	2.55	8.25	8.25
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.25	21.00	1.00	1.00
##000000	8.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CABD1

Deuteranopia (green-blind)

#889CCF

Tritanopia (blue-blind)

#00B9B9

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40afcf;
/* rgb */ color: rgb(64, 175, 207);
/* oklch */ color: oklch(70.5% 0.108 220.8);

Tailwind

colors: {
  custom: {
    50: '#86c7dd',
    500: '#40afcf',
    950: '#000000',
  },
}

SCSS

$custom: #40afcf;
$custom-light: #86c7dd;
$custom-dark: #000000;

JSON

{
  "hex": "#40afcf",
  "rgb": {
    "r": 64,
    "g": 175,
    "b": 207
  },
  "hsl": {
    "h": 193.427,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.70451,
    "c": 0.10846,
    "h": 220.8
  },
  "luminance": 0.36255
}

Semantic roles & 50–950 ramp

primary

#40AFCF

secondary

#D4A497

accent

#6845E3

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #40AFCF

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

Preview Lab → · Contrast checker → · Palette generator →