#40AECF#40AECF

#40AECF is a light, moderate cyan. Relative luminance 0.359; OKLCH L 70.2% C 0.109 H 221.6°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#40AECF
RGB	rgb(64, 174, 207)
HSL	hsl(194, 60%, 53%)
HSV	hsv(194, 69%, 81%)
CMYK	cmyk(69.1%, 15.9%, 0%, 18.8%)
CIE-LAB	lab(66.42, -20.55, -25.82)
CIE-LCH	lch(66.42, 33.00, 231.49°)
OKLab	oklab(70.21% -0.0812 -0.0721)
OKLCH	oklch(70.21% 0.109 221.6)
XYZ	xyz(28.5083, 35.8639, 64.4393)
Luminance	0.3587 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AECF #CF6140

analogous

#40CFA8 #40AECF #4066CF

triadic

#40AECF #CF40AE #AECF40

tetradic

#40AECF #A840CF #CF6140 #66CF40

square

#40AECF #A840CF #CF6140 #66CF40

split-complementary

#40AECF #CF4066 #CFA840

monochromatic

#1E6277 #2A8BA8 #40AECF #71C3DB #A2D7E8

Accessibility & contrast

On white

2.57

#40AECF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#40AECF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AECF

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AECF	#FFFFFF	#000000	##000000
##40AECF	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BAAD1

Deuteranopia (green-blind)

#879BCF

Tritanopia (blue-blind)

#00B8B9

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40aecf;
/* rgb */ color: rgb(64, 174, 207);
/* oklch */ color: oklch(70.2% 0.109 221.6);

Tailwind

colors: {
  custom: {
    50: '#86c6dd',
    500: '#40aecf',
    950: '#000000',
  },
}

SCSS

$custom: #40aecf;
$custom-light: #86c6dd;
$custom-dark: #000000;

JSON

{
  "hex": "#40aecf",
  "rgb": {
    "r": 64,
    "g": 174,
    "b": 207
  },
  "hsl": {
    "h": 193.846,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.70213,
    "c": 0.10857,
    "h": 221.6
  },
  "luminance": 0.35867
}

Semantic roles & 50–950 ramp

primary

#40AECF

secondary

#D4A597

accent

#6945E3

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #40AECF

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

Preview Lab → · Contrast checker → · Palette generator →