#40A7D4#40A7D4

#40A7D4 is a light, moderate cyan. Relative luminance 0.335; OKLCH L 68.8% C 0.114 H 230.7°. Best body text is #000000 at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#40A7D4
RGB	rgb(64, 167, 212)
HSL	hsl(198, 63%, 54%)
HSV	hsv(198, 70%, 83%)
CMYK	cmyk(69.8%, 21.2%, 0%, 16.9%)
CIE-LAB	lab(64.55, -15.23, -31.47)
CIE-LCH	lch(64.55, 34.96, 244.17°)
OKLab	oklab(68.78% -0.0723 -0.0883)
OKLCH	oklch(68.78% 0.114 230.7)
XYZ	xyz(27.8120, 33.4778, 67.2707)
Luminance	0.3348 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A7D4 #D46D40

analogous

#40D4B7 #40A7D4 #405DD4

triadic

#40A7D4 #D440A7 #A7D440

tetradic

#40A7D4 #B740D4 #D46D40 #5DD440

square

#40A7D4 #B740D4 #D46D40 #5DD440

split-complementary

#40A7D4 #D4405D #D4B740

monochromatic

#1C607D #2786AF #40A7D4 #72BEDF #A4D5EA

Accessibility & contrast

On white

2.73

#40A7D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.70

#40A7D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A7D4

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A7D4	#FFFFFF	#000000	##000000
##40A7D4	1.00	2.73	7.70	7.70
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.70	21.00	1.00	1.00
##000000	7.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90A5D6

Deuteranopia (green-blind)

#7C96D3

Tritanopia (blue-blind)

#00B3B6

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40a7d4;
/* rgb */ color: rgb(64, 167, 212);
/* oklch */ color: oklch(68.8% 0.114 230.7);

Tailwind

colors: {
  custom: {
    50: '#86c1e1',
    500: '#40a7d4',
    950: '#000000',
  },
}

SCSS

$custom: #40a7d4;
$custom-light: #86c1e1;
$custom-dark: #000000;

JSON

{
  "hex": "#40a7d4",
  "rgb": {
    "r": 64,
    "g": 167,
    "b": 212
  },
  "hsl": {
    "h": 198.243,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.68782,
    "c": 0.11414,
    "h": 230.7
  },
  "luminance": 0.33481
}

Semantic roles & 50–950 ramp

primary

#40A7D4

secondary

#D7AC98

accent

#7442E6

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #40A7D4

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

Preview Lab → · Contrast checker → · Palette generator →