#40B1CA#40B1CA

#40B1CA is a light, moderate cyan. Relative luminance 0.368; OKLCH L 70.7% C 0.106 H 215.4°. Best body text is #000000 at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#40B1CA
RGB	rgb(64, 177, 202)
HSL	hsl(191, 57%, 52%)
HSV	hsv(191, 68%, 79%)
CMYK	cmyk(68.3%, 12.4%, 0%, 20.8%)
CIE-LAB	lab(67.12, -23.66, -21.98)
CIE-LCH	lch(67.12, 32.29, 222.89°)
OKLab	oklab(70.72% -0.0861 -0.0612)
OKLCH	oklch(70.72% 0.106 215.4)
XYZ	xyz(28.4927, 36.7953, 61.4662)
Luminance	0.3680 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B1CA #CA5940

analogous

#40CA9E #40B1CA #406CCA

triadic

#40B1CA #CA40B1 #B1CA40

tetradic

#40B1CA #9E40CA #CA5940 #6CCA40

square

#40B1CA #9E40CA #CA5940 #6CCA40

split-complementary

#40B1CA #CA406C #CA9E40

monochromatic

#1F6270 #2C8BA0 #40B1CA #70C5D7 #A0D8E5

Accessibility & contrast

On white

2.51

#40B1CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.36

#40B1CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B1CA

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B1CA	#FFFFFF	#000000	##000000
##40B1CA	1.00	2.51	8.36	8.36
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.36	21.00	1.00	1.00
##000000	8.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0ACCB

Deuteranopia (green-blind)

#8C9DCA

Tritanopia (blue-blind)

#00BAB9

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40b1ca;
/* rgb */ color: rgb(64, 177, 202);
/* oklch */ color: oklch(70.7% 0.106 215.4);

Tailwind

colors: {
  custom: {
    50: '#86c8da',
    500: '#40b1ca',
    950: '#000000',
  },
}

SCSS

$custom: #40b1ca;
$custom-light: #86c8da;
$custom-dark: #000000;

JSON

{
  "hex": "#40b1ca",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 202
  },
  "hsl": {
    "h": 190.87,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.70721,
    "c": 0.10565,
    "h": 215.4
  },
  "luminance": 0.36799
}

Semantic roles & 50–950 ramp

primary

#40B1CA

secondary

#D1A095

accent

#6348E0

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1314

muted

#7D8283

Preview Lab

Preview with #40B1CA

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

Preview Lab → · Contrast checker → · Palette generator →