#40ABCB#40ABCB

#40ABCB is a light, moderate cyan. Relative luminance 0.345; OKLCH L 69.3% C 0.106 H 221.4°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#40ABCB
RGB	rgb(64, 171, 203)
HSL	hsl(194, 57%, 52%)
HSV	hsv(194, 68%, 80%)
CMYK	cmyk(68.5%, 15.8%, 0%, 20.4%)
CIE-LAB	lab(65.38, -20.25, -25.20)
CIE-LCH	lch(65.38, 32.33, 231.21°)
OKLab	oklab(69.33% -0.0797 -0.0704)
OKLCH	oklch(69.33% 0.106 221.4)
XYZ	xyz(27.4523, 34.5245, 61.7054)
Luminance	0.3453 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40ABCB #CB6040

analogous

#40CBA6 #40ABCB #4065CB

triadic

#40ABCB #CB40AB #ABCB40

tetradic

#40ABCB #A640CB #CB6040 #65CB40

square

#40ABCB #A640CB #CB6040 #65CB40

split-complementary

#40ABCB #CB4065 #CBA640

monochromatic

#1F5F72 #2C87A2 #40ABCB #70C0D8 #A0D5E5

Accessibility & contrast

On white

2.66

#40ABCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#40ABCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ABCB

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40ABCB	#FFFFFF	#000000	##000000
##40ABCB	1.00	2.66	7.91	7.91
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.91	21.00	1.00	1.00
##000000	7.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A7CD

Deuteranopia (green-blind)

#8599CB

Tritanopia (blue-blind)

#00B5B5

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40abcb;
/* rgb */ color: rgb(64, 171, 203);
/* oklch */ color: oklch(69.3% 0.106 221.4);

Tailwind

colors: {
  custom: {
    50: '#86c4db',
    500: '#40abcb',
    950: '#000000',
  },
}

SCSS

$custom: #40abcb;
$custom-light: #86c4db;
$custom-dark: #000000;

JSON

{
  "hex": "#40abcb",
  "rgb": {
    "r": 64,
    "g": 171,
    "b": 203
  },
  "hsl": {
    "h": 193.813,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.69331,
    "c": 0.10629,
    "h": 221.4
  },
  "luminance": 0.34528
}

Semantic roles & 50–950 ramp

primary

#40ABCB

secondary

#D2A395

accent

#6B47E0

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #40ABCB

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

Preview Lab → · Contrast checker → · Palette generator →