#40ABD0#40ABD0

#40ABD0 is a light, moderate cyan. Relative luminance 0.348; OKLCH L 69.5% C 0.110 H 224.9°. Best body text is #000000 at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#40ABD0
RGB	rgb(64, 171, 208)
HSL	hsl(195, 61%, 53%)
HSV	hsv(195, 69%, 82%)
CMYK	cmyk(69.2%, 17.8%, 0%, 18.4%)
CIE-LAB	lab(65.57, -18.66, -27.68)
CIE-LCH	lch(65.57, 33.38, 236.02°)
OKLab	oklab(69.55% -0.0778 -0.0774)
OKLCH	oklch(69.55% 0.11 224.9)
XYZ	xyz(28.0578, 34.7667, 64.8942)
Luminance	0.3477 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40ABD0 #D06540

analogous

#40D0AD #40ABD0 #4063D0

triadic

#40ABD0 #D040AB #ABD040

tetradic

#40ABD0 #AD40D0 #D06540 #63D040

square

#40ABD0 #AD40D0 #D06540 #63D040

split-complementary

#40ABD0 #D04063 #D0AD40

monochromatic

#1E6178 #2A88A9 #40ABD0 #71C1DC #A2D6E8

Accessibility & contrast

On white

2.64

#40ABD0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.95

#40ABD0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ABD0

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40ABD0	#FFFFFF	#000000	##000000
##40ABD0	1.00	2.64	7.95	7.95
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.95	21.00	1.00	1.00
##000000	7.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97A7D2

Deuteranopia (green-blind)

#8399D0

Tritanopia (blue-blind)

#00B6B7

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40abd0;
/* rgb */ color: rgb(64, 171, 208);
/* oklch */ color: oklch(69.5% 0.110 224.9);

Tailwind

colors: {
  custom: {
    50: '#86c4de',
    500: '#40abd0',
    950: '#000000',
  },
}

SCSS

$custom: #40abd0;
$custom-light: #86c4de;
$custom-dark: #000000;

JSON

{
  "hex": "#40abd0",
  "rgb": {
    "r": 64,
    "g": 171,
    "b": 208
  },
  "hsl": {
    "h": 195.417,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.69546,
    "c": 0.10974,
    "h": 224.9
  },
  "luminance": 0.3477
}

Semantic roles & 50–950 ramp

primary

#40ABD0

secondary

#D5A797

accent

#6D44E4

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #40ABD0

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

Preview Lab → · Contrast checker → · Palette generator →