#40AAC3#40AAC3

#40AAC3 is a light, moderate cyan. Relative luminance 0.338; OKLCH L 68.8% C 0.102 H 216.4°. Best body text is #000000 at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#40AAC3
RGB	rgb(64, 170, 195)
HSL	hsl(191, 52%, 51%)
HSV	hsv(191, 67%, 76%)
CMYK	cmyk(67.2%, 12.8%, 0%, 23.5%)
CIE-LAB	lab(64.78, -22.25, -21.67)
CIE-LCH	lch(64.78, 31.06, 224.25°)
OKLab	oklab(68.76% -0.0818 -0.0603)
OKLCH	oklch(68.76% 0.102 216.4)
XYZ	xyz(26.3353, 33.7767, 56.7508)
Luminance	0.3378 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AAC3 #C35940

analogous

#40C39A #40AAC3 #4068C3

triadic

#40AAC3 #C340AA #AAC340

tetradic

#40AAC3 #9A40C3 #C35940 #68C340

square

#40AAC3 #9A40C3 #C35940 #68C340

split-complementary

#40AAC3 #C34068 #C39A40

monochromatic

#215A68 #2F8397 #40AAC3 #6FBFD2 #9DD3E0

Accessibility & contrast

On white

2.71

#40AAC3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.76

#40AAC3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AAC3

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AAC3	#FFFFFF	#000000	##000000
##40AAC3	1.00	2.71	7.76	7.76
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.76	21.00	1.00	1.00
##000000	7.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99A5C4

Deuteranopia (green-blind)

#8797C3

Tritanopia (blue-blind)

#00B3B2

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40aac3;
/* rgb */ color: rgb(64, 170, 195);
/* oklch */ color: oklch(68.8% 0.102 216.4);

Tailwind

colors: {
  custom: {
    50: '#85c3d5',
    500: '#40aac3',
    950: '#000000',
  },
}

SCSS

$custom: #40aac3;
$custom-light: #85c3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#40aac3",
  "rgb": {
    "r": 64,
    "g": 170,
    "b": 195
  },
  "hsl": {
    "h": 191.45,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.68758,
    "c": 0.10162,
    "h": 216.4
  },
  "luminance": 0.3378
}

Semantic roles & 50–950 ramp

primary

#40AAC3

secondary

#CC9D92

accent

#684CDC

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #40AAC3

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

Preview Lab → · Contrast checker → · Palette generator →