#40BCD5#40BCD5

#40BCD5 is a light, moderate cyan. Relative luminance 0.419; OKLCH L 73.8% C 0.112 H 214.0°. Best body text is #000000 at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#40BCD5
RGB	rgb(64, 188, 213)
HSL	hsl(190, 64%, 54%)
HSV	hsv(190, 70%, 84%)
CMYK	cmyk(70%, 11.7%, 0%, 16.5%)
CIE-LAB	lab(70.77, -25.81, -22.45)
CIE-LCH	lch(70.77, 34.21, 221.02°)
OKLab	oklab(73.79% -0.0928 -0.0625)
OKLCH	oklch(73.79% 0.112 214)
XYZ	xyz(32.1027, 41.8568, 69.3252)
Luminance	0.4186 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BCD5 #D55940

analogous

#40D5A4 #40BCD5 #4072D5

triadic

#40BCD5 #D540BC #BCD540

tetradic

#40BCD5 #A440D5 #D55940 #72D540

square

#40BCD5 #A440D5 #D55940 #72D540

split-complementary

#40BCD5 #D54072 #D5A440

monochromatic

#1C6E7F #279AB1 #40BCD5 #72CEE0 #A4DFEB

Accessibility & contrast

On white

2.24

#40BCD5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.37

#40BCD5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BCD5

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BCD5	#FFFFFF	#000000	##000000
##40BCD5	1.00	2.24	9.37	9.37
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.37	21.00	1.00	1.00
##000000	9.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB6D6

Deuteranopia (green-blind)

#95A7D5

Tritanopia (blue-blind)

#00C6C4

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #40bcd5;
/* rgb */ color: rgb(64, 188, 213);
/* oklch */ color: oklch(73.8% 0.112 214.0);

Tailwind

colors: {
  custom: {
    50: '#88d0e2',
    500: '#40bcd5',
    950: '#000000',
  },
}

SCSS

$custom: #40bcd5;
$custom-light: #88d0e2;
$custom-dark: #000000;

JSON

{
  "hex": "#40bcd5",
  "rgb": {
    "r": 64,
    "g": 188,
    "b": 213
  },
  "hsl": {
    "h": 190.067,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.73785,
    "c": 0.11186,
    "h": 214
  },
  "luminance": 0.41861
}

Semantic roles & 50–950 ramp

primary

#40BCD5

secondary

#D8A399

accent

#5D41E7

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #40BCD5

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

Preview Lab → · Contrast checker → · Palette generator →