#40A5D9#40A5D9

#40A5D9 is a light, moderate cyan. Relative luminance 0.330; OKLCH L 68.5% C 0.120 H 235.0°. Best body text is #000000 at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#40A5D9
RGB	rgb(64, 165, 217)
HSL	hsl(200, 67%, 55%)
HSV	hsv(200, 71%, 85%)
CMYK	cmyk(70.5%, 24%, 0%, 14.9%)
CIE-LAB	lab(64.17, -12.50, -34.82)
CIE-LCH	lch(64.17, 37.00, 250.25°)
OKLab	oklab(68.55% -0.0686 -0.098)
OKLCH	oklch(68.55% 0.12 235)
XYZ	xyz(28.0889, 33.0069, 70.5228)
Luminance	0.3301 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A5D9 #D97440

analogous

#40D9C0 #40A5D9 #4059D9

triadic

#40A5D9 #D940A5 #A5D940

tetradic

#40A5D9 #C040D9 #D97440 #59D940

square

#40A5D9 #C040D9 #D97440 #59D940

split-complementary

#40A5D9 #D94059 #D9C040

monochromatic

#1A6084 #2485B7 #40A5D9 #73BDE3 #A6D5ED

Accessibility & contrast

On white

2.76

#40A5D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.60

#40A5D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A5D9

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A5D9	#FFFFFF	#000000	##000000
##40A5D9	1.00	2.76	7.60	7.60
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.60	21.00	1.00	1.00
##000000	7.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CA4DB

Deuteranopia (green-blind)

#7795D8

Tritanopia (blue-blind)

#00B3B7

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40a5d9;
/* rgb */ color: rgb(64, 165, 217);
/* oklch */ color: oklch(68.5% 0.120 235.0);

Tailwind

colors: {
  custom: {
    50: '#87bfe5',
    500: '#40a5d9',
    950: '#000000',
  },
}

SCSS

$custom: #40a5d9;
$custom-light: #87bfe5;
$custom-dark: #000000;

JSON

{
  "hex": "#40a5d9",
  "rgb": {
    "r": 64,
    "g": 165,
    "b": 217
  },
  "hsl": {
    "h": 200.392,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.68548,
    "c": 0.11962,
    "h": 235
  },
  "luminance": 0.3301
}

Semantic roles & 50–950 ramp

primary

#40A5D9

secondary

#DAB09A

accent

#783EEA

background

#F9FBFE

surface

#F1F7FC

border

#CBD0D5

text

#0D1215

muted

#7E8184

Preview Lab

Preview with #40A5D9

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

Preview Lab → · Contrast checker → · Palette generator →