#40A8BD#40A8BD

#40A8BD is a light, moderate cyan. Relative luminance 0.328; OKLCH L 68.0% C 0.098 H 213.5°. Best body text is #000000 at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#40A8BD
RGB	rgb(64, 168, 189)
HSL	hsl(190, 49%, 50%)
HSV	hsv(190, 66%, 74%)
CMYK	cmyk(66.1%, 11.1%, 0%, 25.9%)
CIE-LAB	lab(63.97, -23.08, -19.57)
CIE-LCH	lch(63.97, 30.26, 220.30°)
OKLab	oklab(68.03% -0.0821 -0.0544)
OKLCH	oklch(68.03% 0.098 213.5)
XYZ	xyz(25.2985, 32.7666, 53.1256)
Luminance	0.3277 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A8BD #BD5540

analogous

#40BD94 #40A8BD #406ABD

triadic

#40A8BD #BD40A8 #A8BD40

tetradic

#40A8BD #9440BD #BD5540 #6ABD40

square

#40A8BD #9440BD #BD5540 #6ABD40

split-complementary

#40A8BD #BD406A #BD9440

monochromatic

#215762 #317F8F #40A8BD #6DBDCD #9AD2DD

Accessibility & contrast

On white

2.78

#40A8BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.55

#40A8BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A8BD

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A8BD	#FFFFFF	#000000	##000000
##40A8BD	1.00	2.78	7.55	7.55
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.55	21.00	1.00	1.00
##000000	7.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A3BE

Deuteranopia (green-blind)

#8695BD

Tritanopia (blue-blind)

#00B0AE

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40a8bd;
/* rgb */ color: rgb(64, 168, 189);
/* oklch */ color: oklch(68.0% 0.098 213.5);

Tailwind

colors: {
  custom: {
    50: '#84c2d1',
    500: '#40a8bd',
    950: '#000000',
  },
}

SCSS

$custom: #40a8bd;
$custom-light: #84c2d1;
$custom-dark: #000000;

JSON

{
  "hex": "#40a8bd",
  "rgb": {
    "r": 64,
    "g": 168,
    "b": 189
  },
  "hsl": {
    "h": 190.08,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.68034,
    "c": 0.09849,
    "h": 213.5
  },
  "luminance": 0.32769
}

Semantic roles & 50–950 ramp

primary

#40A8BD

secondary

#C99990

accent

#664FD9

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #40A8BD

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

Preview Lab → · Contrast checker → · Palette generator →