#40A9CD#40A9CD

#40A9CD is a light, moderate cyan. Relative luminance 0.339; OKLCH L 68.9% C 0.108 H 224.6°. Best body text is #000000 at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#40A9CD
RGB	rgb(64, 169, 205)
HSL	hsl(195, 59%, 53%)
HSV	hsv(195, 69%, 80%)
CMYK	cmyk(68.8%, 17.6%, 0%, 19.6%)
CIE-LAB	lab(64.86, -18.57, -27.11)
CIE-LCH	lch(64.86, 32.86, 235.59°)
OKLab	oklab(68.94% -0.0769 -0.0758)
OKLCH	oklch(68.94% 0.108 224.6)
XYZ	xyz(27.3173, 33.8707, 62.8438)
Luminance	0.3387 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A9CD #CD6440

analogous

#40CDAA #40A9CD #4063CD

triadic

#40A9CD #CD40A9 #A9CD40

tetradic

#40A9CD #AA40CD #CD6440 #63CD40

square

#40A9CD #AA40CD #CD6440 #63CD40

split-complementary

#40A9CD #CD4063 #CDAA40

monochromatic

#1E5E74 #2B86A5 #40A9CD #71BFDA #A1D5E6

Accessibility & contrast

On white

2.70

#40A9CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.77

#40A9CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A9CD

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A9CD	#FFFFFF	#000000	##000000
##40A9CD	1.00	2.70	7.77	7.77
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.77	21.00	1.00	1.00
##000000	7.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95A5CF

Deuteranopia (green-blind)

#8197CD

Tritanopia (blue-blind)

#00B4B5

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40a9cd;
/* rgb */ color: rgb(64, 169, 205);
/* oklch */ color: oklch(68.9% 0.108 224.6);

Tailwind

colors: {
  custom: {
    50: '#86c2dc',
    500: '#40a9cd',
    950: '#000000',
  },
}

SCSS

$custom: #40a9cd;
$custom-light: #86c2dc;
$custom-dark: #000000;

JSON

{
  "hex": "#40a9cd",
  "rgb": {
    "r": 64,
    "g": 169,
    "b": 205
  },
  "hsl": {
    "h": 195.319,
    "s": 58.506,
    "l": 52.745
  },
  "oklch": {
    "l": 0.68942,
    "c": 0.10796,
    "h": 224.6
  },
  "luminance": 0.33874
}

Semantic roles & 50–950 ramp

primary

#40A9CD

secondary

#D3A596

accent

#6E46E2

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #40A9CD

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

Preview Lab → · Contrast checker → · Palette generator →