#40C2E2#40C2E2

#40C2E2 is a light, moderate cyan. Relative luminance 0.452; OKLCH L 75.7% C 0.119 H 217.9°. Best body text is #000000 at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#40C2E2
RGB	rgb(64, 194, 226)
HSL	hsl(192, 74%, 57%)
HSV	hsv(192, 72%, 89%)
CMYK	cmyk(71.7%, 14.2%, 0%, 11.4%)
CIE-LAB	lab(73.00, -24.79, -26.12)
CIE-LCH	lch(73.00, 36.01, 226.50°)
OKLab	oklab(75.73% -0.0936 -0.0729)
OKLCH	oklch(75.73% 0.119 217.9)
XYZ	xyz(35.1279, 45.1604, 78.8022)
Luminance	0.4516 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C2E2 #E26040

analogous

#40E2B1 #40C2E2 #4071E2

triadic

#40C2E2 #E240C2 #C2E240

tetradic

#40C2E2 #B140E2 #E26040 #71E240

square

#40C2E2 #B140E2 #E26040 #71E240

split-complementary

#40C2E2 #E24071 #E2B140

monochromatic

#167992 #1EA5C7 #40C2E2 #75D3EA #AAE4F2

Accessibility & contrast

On white

2.09

#40C2E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.03

#40C2E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C2E2

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C2E2	#FFFFFF	#000000	##000000
##40C2E2	1.00	2.09	10.03	10.03
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.03	21.00	1.00	1.00
##000000	10.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADBCE4

Deuteranopia (green-blind)

#97ACE2

Tritanopia (blue-blind)

#00CDCC

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #40c2e2;
/* rgb */ color: rgb(64, 194, 226);
/* oklch */ color: oklch(75.7% 0.119 217.9);

Tailwind

colors: {
  custom: {
    50: '#8ad4eb',
    500: '#40c2e2',
    950: '#000000',
  },
}

SCSS

$custom: #40c2e2;
$custom-light: #8ad4eb;
$custom-dark: #000000;

JSON

{
  "hex": "#40c2e2",
  "rgb": {
    "r": 64,
    "g": 194,
    "b": 226
  },
  "hsl": {
    "h": 191.852,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.75728,
    "c": 0.11862,
    "h": 217.9
  },
  "luminance": 0.45165
}

Semantic roles & 50–950 ramp

primary

#40C2E2

secondary

#E0AB9E

accent

#5C38F0

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #40C2E2

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

Preview Lab → · Contrast checker → · Palette generator →