#40A0CF#40A0CF

#40A0CF is a light, moderate cyan. Relative luminance 0.307; OKLCH L 66.9% C 0.113 H 233.4°. Best body text is #000000 at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#40A0CF
RGB	rgb(64, 160, 207)
HSL	hsl(200, 60%, 53%)
HSV	hsv(200, 69%, 81%)
CMYK	cmyk(69.1%, 22.7%, 0%, 18.8%)
CIE-LAB	lab(62.28, -13.08, -32.20)
CIE-LCH	lch(62.28, 34.76, 247.89°)
OKLab	oklab(66.91% -0.0671 -0.0904)
OKLCH	oklch(66.91% 0.113 233.4)
XYZ	xyz(25.9432, 30.7337, 63.5843)
Luminance	0.3074 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A0CF #CF6F40

analogous

#40CFB6 #40A0CF #4058CF

triadic

#40A0CF #CF40A0 #A0CF40

tetradic

#40A0CF #B640CF #CF6F40 #58CF40

square

#40A0CF #B640CF #CF6F40 #58CF40

split-complementary

#40A0CF #CF4058 #CFB640

monochromatic

#1E5A77 #2A7EA8 #40A0CF #71B8DB #A2D1E8

Accessibility & contrast

On white

2.94

#40A0CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.15

#40A0CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A0CF

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A0CF	#FFFFFF	#000000	##000000
##40A0CF	1.00	2.94	7.15	7.15
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.15	21.00	1.00	1.00
##000000	7.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899ED1

Deuteranopia (green-blind)

#7590CE

Tritanopia (blue-blind)

#00ADB0

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #40a0cf;
/* rgb */ color: rgb(64, 160, 207);
/* oklch */ color: oklch(66.9% 0.113 233.4);

Tailwind

colors: {
  custom: {
    50: '#85bcde',
    500: '#40a0cf',
    950: '#000000',
  },
}

SCSS

$custom: #40a0cf;
$custom-light: #85bcde;
$custom-dark: #000000;

JSON

{
  "hex": "#40a0cf",
  "rgb": {
    "r": 64,
    "g": 160,
    "b": 207
  },
  "hsl": {
    "h": 199.72,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.6691,
    "c": 0.11265,
    "h": 233.4
  },
  "luminance": 0.30737
}

Semantic roles & 50–950 ramp

primary

#40A0CF

secondary

#D4AB97

accent

#7945E3

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #40A0CF

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

Preview Lab → · Contrast checker → · Palette generator →