#40AFD5#40AFD5

#40AFD5 is a light, moderate cyan. Relative luminance 0.366; OKLCH L 70.7% C 0.113 H 224.8°. Best body text is #000000 at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#40AFD5
RGB	rgb(64, 175, 213)
HSL	hsl(195, 64%, 54%)
HSV	hsv(195, 70%, 84%)
CMYK	cmyk(70%, 17.8%, 0%, 16.5%)
CIE-LAB	lab(66.94, -19.16, -28.33)
CIE-LCH	lch(66.94, 34.19, 235.93°)
OKLab	oklab(70.71% -0.0799 -0.0792)
OKLCH	oklch(70.71% 0.113 224.8)
XYZ	xyz(29.4497, 36.5507, 68.4408)
Luminance	0.3655 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AFD5 #D56640

analogous

#40D5B1 #40AFD5 #4065D5

triadic

#40AFD5 #D540AF #AFD540

tetradic

#40AFD5 #B140D5 #D56640 #65D540

square

#40AFD5 #B140D5 #D56640 #65D540

split-complementary

#40AFD5 #D54065 #D5B140

monochromatic

#1C667F #278EB1 #40AFD5 #72C4E0 #A4D9EB

Accessibility & contrast

On white

2.53

#40AFD5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.31

#40AFD5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AFD5

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AFD5	#FFFFFF	#000000	##000000
##40AFD5	1.00	2.53	8.31	8.31
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.31	21.00	1.00	1.00
##000000	8.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AABD7

Deuteranopia (green-blind)

#859CD5

Tritanopia (blue-blind)

#00BABB

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40afd5;
/* rgb */ color: rgb(64, 175, 213);
/* oklch */ color: oklch(70.7% 0.113 224.8);

Tailwind

colors: {
  custom: {
    50: '#87c7e2',
    500: '#40afd5',
    950: '#000000',
  },
}

SCSS

$custom: #40afd5;
$custom-light: #87c7e2;
$custom-dark: #000000;

JSON

{
  "hex": "#40afd5",
  "rgb": {
    "r": 64,
    "g": 175,
    "b": 213
  },
  "hsl": {
    "h": 195.302,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.70707,
    "c": 0.11254,
    "h": 224.8
  },
  "luminance": 0.36554
}

Semantic roles & 50–950 ramp

primary

#40AFD5

secondary

#D8A999

accent

#6B41E7

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #40AFD5

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

Preview Lab → · Contrast checker → · Palette generator →