#40BBD6#40BBD6

#40BBD6 is a light, moderate cyan. Relative luminance 0.415; OKLCH L 73.6% C 0.112 H 215.5°. Best body text is #000000 at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#40BBD6
RGB	rgb(64, 187, 214)
HSL	hsl(191, 65%, 55%)
HSV	hsv(191, 70%, 84%)
CMYK	cmyk(70.1%, 12.6%, 0%, 16.1%)
CIE-LAB	lab(70.51, -25.00, -23.39)
CIE-LCH	lch(70.51, 34.24, 223.10°)
OKLab	oklab(73.59% -0.0914 -0.0652)
OKLCH	oklch(73.59% 0.112 215.5)
XYZ	xyz(32.0172, 41.4820, 69.9247)
Luminance	0.4149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BBD6 #D65B40

analogous

#40D6A6 #40BBD6 #4070D6

triadic

#40BBD6 #D640BB #BBD640

tetradic

#40BBD6 #A640D6 #D65B40 #70D640

square

#40BBD6 #A640D6 #D65B40 #70D640

split-complementary

#40BBD6 #D64070 #D6A640

monochromatic

#1B6E80 #2699B2 #40BBD6 #72CDE1 #A5DFEC

Accessibility & contrast

On white

2.26

#40BBD6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.30

#40BBD6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BBD6

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BBD6	#FFFFFF	#000000	##000000
##40BBD6	1.00	2.26	9.30	9.30
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.30	21.00	1.00	1.00
##000000	9.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B5D8

Deuteranopia (green-blind)

#93A6D6

Tritanopia (blue-blind)

#00C5C3

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #40bbd6;
/* rgb */ color: rgb(64, 187, 214);
/* oklch */ color: oklch(73.6% 0.112 215.5);

Tailwind

colors: {
  custom: {
    50: '#88cfe2',
    500: '#40bbd6',
    950: '#000000',
  },
}

SCSS

$custom: #40bbd6;
$custom-light: #88cfe2;
$custom-dark: #000000;

JSON

{
  "hex": "#40bbd6",
  "rgb": {
    "r": 64,
    "g": 187,
    "b": 214
  },
  "hsl": {
    "h": 190.8,
    "s": 64.655,
    "l": 54.51
  },
  "oklch": {
    "l": 0.73588,
    "c": 0.11225,
    "h": 215.5
  },
  "luminance": 0.41486
}

Semantic roles & 50–950 ramp

primary

#40BBD6

secondary

#D9A599

accent

#5E40E8

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #40BBD6

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

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