#40B1DC#40B1DC

#40B1DC is a light, moderate cyan. Relative luminance 0.377; OKLCH L 71.5% C 0.117 H 227.5°. Best body text is #000000 at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#40B1DC
RGB	rgb(64, 177, 220)
HSL	hsl(197, 69%, 56%)
HSV	hsv(197, 71%, 86%)
CMYK	cmyk(70.9%, 19.5%, 0%, 13.7%)
CIE-LAB	lab(67.80, -17.95, -30.85)
CIE-LCH	lch(67.80, 35.69, 239.80°)
OKLab	oklab(71.49% -0.0793 -0.0865)
OKLCH	oklch(71.49% 0.117 227.5)
XYZ	xyz(30.7495, 37.6981, 73.3521)
Luminance	0.3770 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B1DC #DC6B40

analogous

#40DCB9 #40B1DC #4063DC

triadic

#40B1DC #DC40B1 #B1DC40

tetradic

#40B1DC #B940DC #DC6B40 #63DC40

square

#40B1DC #B940DC #DC6B40 #63DC40

split-complementary

#40B1DC #DC4063 #DCB940

monochromatic

#196A89 #2392BC #40B1DC #74C6E5 #A7DBEF

Accessibility & contrast

On white

2.46

#40B1DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.54

#40B1DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B1DC

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B1DC	#FFFFFF	#000000	##000000
##40B1DC	1.00	2.46	8.54	8.54
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.54	21.00	1.00	1.00
##000000	8.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AAEDE

Deuteranopia (green-blind)

#859EDB

Tritanopia (blue-blind)

#00BDBF

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #40b1dc;
/* rgb */ color: rgb(64, 177, 220);
/* oklch */ color: oklch(71.5% 0.117 227.5);

Tailwind

colors: {
  custom: {
    50: '#88c8e7',
    500: '#40b1dc',
    950: '#000000',
  },
}

SCSS

$custom: #40b1dc;
$custom-light: #88c8e7;
$custom-dark: #000000;

JSON

{
  "hex": "#40b1dc",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 220
  },
  "hsl": {
    "h": 196.538,
    "s": 69.027,
    "l": 55.686
  },
  "oklch": {
    "l": 0.71485,
    "c": 0.11732,
    "h": 227.5
  },
  "luminance": 0.37702
}

Semantic roles & 50–950 ramp

primary

#40B1DC

secondary

#DCAD9B

accent

#6C3CEC

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #40B1DC

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

Preview Lab → · Contrast checker → · Palette generator →