#40A7D5#40A7D5

#40A7D5 is a light, moderate cyan. Relative luminance 0.335; OKLCH L 68.8% C 0.115 H 231.3°. Best body text is #000000 at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#40A7D5
RGB	rgb(64, 167, 213)
HSL	hsl(199, 64%, 54%)
HSV	hsv(199, 70%, 84%)
CMYK	cmyk(70%, 21.6%, 0%, 16.5%)
CIE-LAB	lab(64.59, -14.91, -31.96)
CIE-LCH	lch(64.59, 35.26, 244.99°)
OKLab	oklab(68.83% -0.072 -0.0897)
OKLCH	oklch(68.83% 0.115 231.3)
XYZ	xyz(27.9385, 33.5284, 67.9371)
Luminance	0.3353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A7D5 #D56E40

analogous

#40D5B8 #40A7D5 #405DD5

triadic

#40A7D5 #D540A7 #A7D540

tetradic

#40A7D5 #B840D5 #D56E40 #5DD540

square

#40A7D5 #B840D5 #D56E40 #5DD540

split-complementary

#40A7D5 #D5405D #D5B840

monochromatic

#1C607F #2786B1 #40A7D5 #72BEE0 #A4D5EB

Accessibility & contrast

On white

2.73

#40A7D5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.71

#40A7D5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A7D5

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A7D5	#FFFFFF	#000000	##000000
##40A7D5	1.00	2.73	7.71	7.71
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.71	21.00	1.00	1.00
##000000	7.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90A5D7

Deuteranopia (green-blind)

#7B96D4

Tritanopia (blue-blind)

#00B4B6

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40a7d5;
/* rgb */ color: rgb(64, 167, 213);
/* oklch */ color: oklch(68.8% 0.115 231.3);

Tailwind

colors: {
  custom: {
    50: '#87c1e2',
    500: '#40a7d5',
    950: '#000000',
  },
}

SCSS

$custom: #40a7d5;
$custom-light: #87c1e2;
$custom-dark: #000000;

JSON

{
  "hex": "#40a7d5",
  "rgb": {
    "r": 64,
    "g": 167,
    "b": 213
  },
  "hsl": {
    "h": 198.523,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.68828,
    "c": 0.11502,
    "h": 231.3
  },
  "luminance": 0.33532
}

Semantic roles & 50–950 ramp

primary

#40A7D5

secondary

#D8AC99

accent

#7441E7

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #40A7D5

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

Preview Lab → · Contrast checker → · Palette generator →