#40A4CD#40A4CD

#40A4CD is a light, moderate cyan. Relative luminance 0.320; OKLCH L 67.8% C 0.109 H 228.9°. Best body text is #000000 at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#40A4CD
RGB	rgb(64, 164, 205)
HSL	hsl(197, 59%, 53%)
HSV	hsv(197, 69%, 80%)
CMYK	cmyk(68.8%, 20%, 0%, 19.6%)
CIE-LAB	lab(63.38, -15.91, -29.39)
CIE-LCH	lch(63.38, 33.42, 241.57°)
OKLab	oklab(67.76% -0.0719 -0.0823)
OKLCH	oklch(67.76% 0.109 228.9)
XYZ	xyz(26.4048, 32.0458, 62.5396)
Luminance	0.3205 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A4CD #CD6940

analogous

#40CDB0 #40A4CD #405DCD

triadic

#40A4CD #CD40A4 #A4CD40

tetradic

#40A4CD #B040CD #CD6940 #5DCD40

square

#40A4CD #B040CD #CD6940 #5DCD40

split-complementary

#40A4CD #CD405D #CDB040

monochromatic

#1E5B74 #2B81A5 #40A4CD #71BBDA #A1D2E6

Accessibility & contrast

On white

2.83

#40A4CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.41

#40A4CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A4CD

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A4CD	#FFFFFF	#000000	##000000
##40A4CD	1.00	2.83	7.41	7.41
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.41	21.00	1.00	1.00
##000000	7.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8FA1CF

Deuteranopia (green-blind)

#7B93CC

Tritanopia (blue-blind)

#00B0B2

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #40a4cd;
/* rgb */ color: rgb(64, 164, 205);
/* oklch */ color: oklch(67.8% 0.109 228.9);

Tailwind

colors: {
  custom: {
    50: '#85bfdc',
    500: '#40a4cd',
    950: '#000000',
  },
}

SCSS

$custom: #40a4cd;
$custom-light: #85bfdc;
$custom-dark: #000000;

JSON

{
  "hex": "#40a4cd",
  "rgb": {
    "r": 64,
    "g": 164,
    "b": 205
  },
  "hsl": {
    "h": 197.447,
    "s": 58.506,
    "l": 52.745
  },
  "oklch": {
    "l": 0.67759,
    "c": 0.10929,
    "h": 228.9
  },
  "luminance": 0.32049
}

Semantic roles & 50–950 ramp

primary

#40A4CD

secondary

#D3A896

accent

#7346E2

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #40A4CD

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

Preview Lab → · Contrast checker → · Palette generator →