#40A4BC#40A4BC

#40A4BC is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.0% C 0.098 H 216.6°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#40A4BC
RGB	rgb(64, 164, 188)
HSL	hsl(192, 49%, 49%)
HSV	hsv(192, 66%, 74%)
CMYK	cmyk(66%, 12.8%, 0%, 26.3%)
CIE-LAB	lab(62.73, -21.32, -20.90)
CIE-LCH	lch(62.73, 29.85, 224.42°)
OKLab	oklab(67.03% -0.0783 -0.0581)
OKLCH	oklch(67.03% 0.098 216.6)
XYZ	xyz(24.4632, 31.2691, 52.3135)
Luminance	0.3127 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A4BC #BC5840

analogous

#40BC96 #40A4BC #4066BC

triadic

#40A4BC #BC40A4 #A4BC40

tetradic

#40A4BC #9640BC #BC5840 #66BC40

square

#40A4BC #9640BC #BC5840 #66BC40

split-complementary

#40A4BC #BC4066 #BC9640

monochromatic

#215461 #307C8E #40A4BC #6CBACD #9AD0DD

Accessibility & contrast

On white

2.89

#40A4BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.25

#40A4BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A4BC

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A4BC	#FFFFFF	#000000	##000000
##40A4BC	1.00	2.89	7.25	7.25
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.25	21.00	1.00	1.00
##000000	7.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#949FBD

Deuteranopia (green-blind)

#8292BC

Tritanopia (blue-blind)

#00ADAB

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #40a4bc;
/* rgb */ color: rgb(64, 164, 188);
/* oklch */ color: oklch(67.0% 0.098 216.6);

Tailwind

colors: {
  custom: {
    50: '#83bfd0',
    500: '#40a4bc',
    950: '#000000',
  },
}

SCSS

$custom: #40a4bc;
$custom-light: #83bfd0;
$custom-dark: #000000;

JSON

{
  "hex": "#40a4bc",
  "rgb": {
    "r": 64,
    "g": 164,
    "b": 188
  },
  "hsl": {
    "h": 191.613,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.67028,
    "c": 0.09756,
    "h": 216.6
  },
  "luminance": 0.31272
}

Semantic roles & 50–950 ramp

primary

#40A4BC

secondary

#C99A8F

accent

#6A4FD9

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #40A4BC

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

Preview Lab → · Contrast checker → · Palette generator →