#40A5D7#40A5D7

#40A5D7 is a light, moderate cyan. Relative luminance 0.329; OKLCH L 68.5% C 0.118 H 233.9°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#40A5D7
RGB	rgb(64, 165, 215)
HSL	hsl(200, 65%, 55%)
HSV	hsv(200, 70%, 84%)
CMYK	cmyk(70.2%, 23.3%, 0%, 15.7%)
CIE-LAB	lab(64.08, -13.16, -33.85)
CIE-LCH	lch(64.08, 36.32, 248.75°)
OKLab	oklab(68.45% -0.0693 -0.0952)
OKLCH	oklch(68.45% 0.118 233.9)
XYZ	xyz(27.8304, 32.9034, 69.1611)
Luminance	0.3291 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A5D7 #D77240

analogous

#40D7BE #40A5D7 #4059D7

triadic

#40A5D7 #D740A5 #A5D740

tetradic

#40A5D7 #BE40D7 #D77240 #59D740

square

#40A5D7 #BE40D7 #D77240 #59D740

split-complementary

#40A5D7 #D74059 #D7BE40

monochromatic

#1B6081 #2685B4 #40A5D7 #73BDE2 #A5D5EC

Accessibility & contrast

On white

2.77

#40A5D7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.58

#40A5D7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A5D7

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A5D7	#FFFFFF	#000000	##000000
##40A5D7	1.00	2.77	7.58	7.58
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.58	21.00	1.00	1.00
##000000	7.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DA4D9

Deuteranopia (green-blind)

#7895D6

Tritanopia (blue-blind)

#00B2B6

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40a5d7;
/* rgb */ color: rgb(64, 165, 215);
/* oklch */ color: oklch(68.5% 0.118 233.9);

Tailwind

colors: {
  custom: {
    50: '#87bfe3',
    500: '#40a5d7',
    950: '#000000',
  },
}

SCSS

$custom: #40a5d7;
$custom-light: #87bfe3;
$custom-dark: #000000;

JSON

{
  "hex": "#40a5d7",
  "rgb": {
    "r": 64,
    "g": 165,
    "b": 215
  },
  "hsl": {
    "h": 199.868,
    "s": 65.368,
    "l": 54.706
  },
  "oklch": {
    "l": 0.68454,
    "c": 0.11774,
    "h": 233.9
  },
  "luminance": 0.32907
}

Semantic roles & 50–950 ramp

primary

#40A5D7

secondary

#D9AF9A

accent

#773FE8

background

#F9FBFD

surface

#F1F7FB

border

#CBD0D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #40A5D7

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

Preview Lab → · Contrast checker → · Palette generator →