#40BDDA#40BDDA

#40BDDA is a light, moderate cyan. Relative luminance 0.425; OKLCH L 74.2% C 0.114 H 216.6°. Best body text is #000000 at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#40BDDA
RGB	rgb(64, 189, 218)
HSL	hsl(191, 68%, 55%)
HSV	hsv(191, 71%, 85%)
CMYK	cmyk(70.6%, 13.3%, 0%, 14.5%)
CIE-LAB	lab(71.24, -24.77, -24.46)
CIE-LCH	lch(71.24, 34.81, 224.64°)
OKLab	oklab(74.22% -0.0918 -0.0682)
OKLCH	oklch(74.22% 0.114 216.6)
XYZ	xyz(32.9615, 42.5433, 72.7906)
Luminance	0.4255 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BDDA #DA5D40

analogous

#40DAAA #40BDDA #4070DA

triadic

#40BDDA #DA40BD #BDDA40

tetradic

#40BDDA #AA40DA #DA5D40 #70DA40

square

#40BDDA #AA40DA #DA5D40 #70DA40

split-complementary

#40BDDA #DA4070 #DAAA40

monochromatic

#1A7186 #249DB9 #40BDDA #73CFE4 #A7E0EE

Accessibility & contrast

On white

2.21

#40BDDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.51

#40BDDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BDDA

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BDDA	#FFFFFF	#000000	##000000
##40BDDA	1.00	2.21	9.51	9.51
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.51	21.00	1.00	1.00
##000000	9.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB7DC

Deuteranopia (green-blind)

#94A8DA

Tritanopia (blue-blind)

#00C7C6

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #40bdda;
/* rgb */ color: rgb(64, 189, 218);
/* oklch */ color: oklch(74.2% 0.114 216.6);

Tailwind

colors: {
  custom: {
    50: '#89d1e5',
    500: '#40bdda',
    950: '#000000',
  },
}

SCSS

$custom: #40bdda;
$custom-light: #89d1e5;
$custom-dark: #000000;

JSON

{
  "hex": "#40bdda",
  "rgb": {
    "r": 64,
    "g": 189,
    "b": 218
  },
  "hsl": {
    "h": 191.299,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.74223,
    "c": 0.11435,
    "h": 216.6
  },
  "luminance": 0.42547
}

Semantic roles & 50–950 ramp

primary

#40BDDA

secondary

#DBA79B

accent

#5E3DEA

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1415

muted

#7E8284

Preview Lab

Preview with #40BDDA

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

Preview Lab → · Contrast checker → · Palette generator →