#40A7D9#40A7D9

#40A7D9 is a light, moderate cyan. Relative luminance 0.337; OKLCH L 69.0% C 0.119 H 233.5°. Best body text is #000000 at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#40A7D9
RGB	rgb(64, 167, 217)
HSL	hsl(200, 67%, 55%)
HSV	hsv(200, 71%, 85%)
CMYK	cmyk(70.5%, 23%, 0%, 14.9%)
CIE-LAB	lab(64.75, -13.59, -33.92)
CIE-LCH	lch(64.75, 36.54, 248.17°)
OKLab	oklab(69.01% -0.0706 -0.0953)
OKLCH	oklch(69.01% 0.119 233.5)
XYZ	xyz(28.4525, 33.7340, 70.6440)
Luminance	0.3374 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A7D9 #D97240

analogous

#40D9BF #40A7D9 #405AD9

triadic

#40A7D9 #D940A7 #A7D940

tetradic

#40A7D9 #BF40D9 #D97240 #5AD940

square

#40A7D9 #BF40D9 #D97240 #5AD940

split-complementary

#40A7D9 #D9405A #D9BF40

monochromatic

#1A6284 #2487B7 #40A7D9 #73BFE3 #A6D6ED

Accessibility & contrast

On white

2.71

#40A7D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.75

#40A7D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A7D9

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A7D9	#FFFFFF	#000000	##000000
##40A7D9	1.00	2.71	7.75	7.75
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.75	21.00	1.00	1.00
##000000	7.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EA5DB

Deuteranopia (green-blind)

#7A96D8

Tritanopia (blue-blind)

#00B4B8

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40a7d9;
/* rgb */ color: rgb(64, 167, 217);
/* oklch */ color: oklch(69.0% 0.119 233.5);

Tailwind

colors: {
  custom: {
    50: '#87c1e5',
    500: '#40a7d9',
    950: '#000000',
  },
}

SCSS

$custom: #40a7d9;
$custom-light: #87c1e5;
$custom-dark: #000000;

JSON

{
  "hex": "#40a7d9",
  "rgb": {
    "r": 64,
    "g": 167,
    "b": 217
  },
  "hsl": {
    "h": 199.608,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.69013,
    "c": 0.11863,
    "h": 233.5
  },
  "luminance": 0.33737
}

Semantic roles & 50–950 ramp

primary

#40A7D9

secondary

#DAAF9A

accent

#763EEA

background

#F9FBFE

surface

#F1F7FC

border

#CBD0D5

text

#0D1215

muted

#7E8184

Preview Lab

Preview with #40A7D9

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

Preview Lab → · Contrast checker → · Palette generator →