#40BCD7#40BCD7

#40BCD7 is a light, moderate cyan. Relative luminance 0.420; OKLCH L 73.9% C 0.113 H 215.4°. Best body text is #000000 at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#40BCD7
RGB	rgb(64, 188, 215)
HSL	hsl(191, 65%, 55%)
HSV	hsv(191, 70%, 84%)
CMYK	cmyk(70.2%, 12.6%, 0%, 15.7%)
CIE-LAB	lab(70.84, -25.19, -23.43)
CIE-LCH	lch(70.84, 34.41, 222.93°)
OKLab	oklab(73.87% -0.092 -0.0653)
OKLCH	oklch(73.87% 0.113 215.4)
XYZ	xyz(32.3582, 41.9590, 70.6703)
Luminance	0.4196 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BCD7 #D75B40

analogous

#40D7A6 #40BCD7 #4071D7

triadic

#40BCD7 #D740BC #BCD740

tetradic

#40BCD7 #A640D7 #D75B40 #71D740

square

#40BCD7 #A640D7 #D75B40 #71D740

split-complementary

#40BCD7 #D74071 #D7A640

monochromatic

#1B6F81 #269BB4 #40BCD7 #73CEE2 #A5E0EC

Accessibility & contrast

On white

2.24

#40BCD7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.39

#40BCD7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BCD7

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BCD7	#FFFFFF	#000000	##000000
##40BCD7	1.00	2.24	9.39	9.39
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.39	21.00	1.00	1.00
##000000	9.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B6D9

Deuteranopia (green-blind)

#94A7D7

Tritanopia (blue-blind)

#00C6C4

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #40bcd7;
/* rgb */ color: rgb(64, 188, 215);
/* oklch */ color: oklch(73.9% 0.113 215.4);

Tailwind

colors: {
  custom: {
    50: '#88d0e3',
    500: '#40bcd7',
    950: '#000000',
  },
}

SCSS

$custom: #40bcd7;
$custom-light: #88d0e3;
$custom-dark: #000000;

JSON

{
  "hex": "#40bcd7",
  "rgb": {
    "r": 64,
    "g": 188,
    "b": 215
  },
  "hsl": {
    "h": 190.728,
    "s": 65.368,
    "l": 54.706
  },
  "oklch": {
    "l": 0.73865,
    "c": 0.1128,
    "h": 215.4
  },
  "luminance": 0.41963
}

Semantic roles & 50–950 ramp

primary

#40BCD7

secondary

#D9A59A

accent

#5E3FE8

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #40BCD7

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

Preview Lab → · Contrast checker → · Palette generator →