#40A1BD#40A1BD

#40A1BD is a light, moderate cyan. Relative luminance 0.303; OKLCH L 66.3% C 0.098 H 220.3°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#40A1BD
RGB	rgb(64, 161, 189)
HSL	hsl(193, 49%, 50%)
HSV	hsv(193, 66%, 74%)
CMYK	cmyk(66.1%, 14.8%, 0%, 25.9%)
CIE-LAB	lab(61.87, -19.44, -22.78)
CIE-LCH	lch(61.87, 29.94, 229.52°)
OKLab	oklab(66.35% -0.0748 -0.0635)
OKLCH	oklch(66.35% 0.098 220.3)
XYZ	xyz(24.0408, 30.2512, 52.7063)
Luminance	0.3025 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A1BD #BD5C40

analogous

#40BD9B #40A1BD #4063BD

triadic

#40A1BD #BD40A1 #A1BD40

tetradic

#40A1BD #9B40BD #BD5C40 #63BD40

square

#40A1BD #9B40BD #BD5C40 #63BD40

split-complementary

#40A1BD #BD4063 #BD9B40

monochromatic

#215362 #317A8F #40A1BD #6DB8CD #9ACEDD

Accessibility & contrast

On white

2.98

#40A1BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#40A1BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A1BD

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A1BD	#FFFFFF	#000000	##000000
##40A1BD	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#909DBF

Deuteranopia (green-blind)

#7E90BD

Tritanopia (blue-blind)

#00AAAA

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #40a1bd;
/* rgb */ color: rgb(64, 161, 189);
/* oklch */ color: oklch(66.3% 0.098 220.3);

Tailwind

colors: {
  custom: {
    50: '#83bdd1',
    500: '#40a1bd',
    950: '#000000',
  },
}

SCSS

$custom: #40a1bd;
$custom-light: #83bdd1;
$custom-dark: #000000;

JSON

{
  "hex": "#40a1bd",
  "rgb": {
    "r": 64,
    "g": 161,
    "b": 189
  },
  "hsl": {
    "h": 193.44,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.66347,
    "c": 0.09812,
    "h": 220.3
  },
  "luminance": 0.30254
}

Semantic roles & 50–950 ramp

primary

#40A1BD

secondary

#C99D90

accent

#6E4FD9

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #40A1BD

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

Preview Lab → · Contrast checker → · Palette generator →