#40BDD8#40BDD8

#40BDD8 is a light, moderate cyan. Relative luminance 0.424; OKLCH L 74.1% C 0.113 H 215.2°. Best body text is #000000 at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#40BDD8
RGB	rgb(64, 189, 216)
HSL	hsl(191, 66%, 55%)
HSV	hsv(191, 70%, 85%)
CMYK	cmyk(70.4%, 12.5%, 0%, 15.3%)
CIE-LAB	lab(71.17, -25.39, -23.48)
CIE-LCH	lch(71.17, 34.58, 222.76°)
OKLab	oklab(74.14% -0.0926 -0.0654)
OKLCH	oklch(74.14% 0.113 215.2)
XYZ	xyz(32.7014, 42.4393, 71.4206)
Luminance	0.4244 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BDD8 #D85B40

analogous

#40D8A7 #40BDD8 #4071D8

triadic

#40BDD8 #D840BD #BDD840

tetradic

#40BDD8 #A740D8 #D85B40 #71D840

square

#40BDD8 #A740D8 #D85B40 #71D840

split-complementary

#40BDD8 #D84071 #D8A740

monochromatic

#1B7083 #259CB6 #40BDD8 #73CFE2 #A6E0ED

Accessibility & contrast

On white

2.21

#40BDD8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.49

#40BDD8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BDD8

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BDD8	#FFFFFF	#000000	##000000
##40BDD8	1.00	2.21	9.49	9.49
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.49	21.00	1.00	1.00
##000000	9.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB7DA

Deuteranopia (green-blind)

#95A8D8

Tritanopia (blue-blind)

#00C7C5

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #40bdd8;
/* rgb */ color: rgb(64, 189, 216);
/* oklch */ color: oklch(74.1% 0.113 215.2);

Tailwind

colors: {
  custom: {
    50: '#89d1e4',
    500: '#40bdd8',
    950: '#000000',
  },
}

SCSS

$custom: #40bdd8;
$custom-light: #89d1e4;
$custom-dark: #000000;

JSON

{
  "hex": "#40bdd8",
  "rgb": {
    "r": 64,
    "g": 189,
    "b": 216
  },
  "hsl": {
    "h": 190.658,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.74142,
    "c": 0.11335,
    "h": 215.2
  },
  "luminance": 0.42443
}

Semantic roles & 50–950 ramp

primary

#40BDD8

secondary

#DAA59A

accent

#5D3FE9

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #40BDD8

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

Preview Lab → · Contrast checker → · Palette generator →