#40B0DC#40B0DC

#40B0DC is a light, moderate cyan. Relative luminance 0.373; OKLCH L 71.3% C 0.118 H 228.2°. Best body text is #000000 at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#40B0DC
RGB	rgb(64, 176, 220)
HSL	hsl(197, 69%, 56%)
HSV	hsv(197, 71%, 86%)
CMYK	cmyk(70.9%, 20%, 0%, 13.7%)
CIE-LAB	lab(67.50, -17.42, -31.30)
CIE-LCH	lch(67.50, 35.82, 240.90°)
OKLab	oklab(71.25% -0.0783 -0.0878)
OKLCH	oklch(71.25% 0.118 228.2)
XYZ	xyz(30.5527, 37.3045, 73.2865)
Luminance	0.3731 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B0DC #DC6C40

analogous

#40DCBA #40B0DC #4062DC

triadic

#40B0DC #DC40B0 #B0DC40

tetradic

#40B0DC #BA40DC #DC6C40 #62DC40

square

#40B0DC #BA40DC #DC6C40 #62DC40

split-complementary

#40B0DC #DC4062 #DCBA40

monochromatic

#196989 #2391BC #40B0DC #74C5E5 #A7DBEF

Accessibility & contrast

On white

2.48

#40B0DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.46

#40B0DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B0DC

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B0DC	#FFFFFF	#000000	##000000
##40B0DC	1.00	2.48	8.46	8.46
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.46	21.00	1.00	1.00
##000000	8.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99ADDE

Deuteranopia (green-blind)

#849EDB

Tritanopia (blue-blind)

#00BCBE

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #40b0dc;
/* rgb */ color: rgb(64, 176, 220);
/* oklch */ color: oklch(71.3% 0.118 228.2);

Tailwind

colors: {
  custom: {
    50: '#88c7e7',
    500: '#40b0dc',
    950: '#000000',
  },
}

SCSS

$custom: #40b0dc;
$custom-light: #88c7e7;
$custom-dark: #000000;

JSON

{
  "hex": "#40b0dc",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 220
  },
  "hsl": {
    "h": 196.923,
    "s": 69.027,
    "l": 55.686
  },
  "oklch": {
    "l": 0.71251,
    "c": 0.11763,
    "h": 228.2
  },
  "luminance": 0.37308
}

Semantic roles & 50–950 ramp

primary

#40B0DC

secondary

#DCAE9B

accent

#6E3CEC

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #40B0DC

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

Preview Lab → · Contrast checker → · Palette generator →