#40A4D8#40A4D8

#40A4D8 is a light, moderate cyan. Relative luminance 0.326; OKLCH L 68.3% C 0.119 H 235.2°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#40A4D8
RGB	rgb(64, 164, 216)
HSL	hsl(201, 66%, 55%)
HSV	hsv(201, 70%, 85%)
CMYK	cmyk(70.4%, 24.1%, 0%, 15.3%)
CIE-LAB	lab(63.83, -12.29, -34.79)
CIE-LCH	lch(63.83, 36.90, 250.55°)
OKLab	oklab(68.27% -0.068 -0.0979)
OKLCH	oklch(68.27% 0.119 235.2)
XYZ	xyz(27.7796, 32.5957, 69.7800)
Luminance	0.3260 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A4D8 #D87440

analogous

#40D8C0 #40A4D8 #4058D8

triadic

#40A4D8 #D840A4 #A4D840

tetradic

#40A4D8 #C040D8 #D87440 #58D840

square

#40A4D8 #C040D8 #D87440 #58D840

split-complementary

#40A4D8 #D84058 #D8C040

monochromatic

#1B5F83 #2584B6 #40A4D8 #73BCE2 #A6D4ED

Accessibility & contrast

On white

2.79

#40A4D8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.52

#40A4D8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A4D8

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A4D8	#FFFFFF	#000000	##000000
##40A4D8	1.00	2.79	7.52	7.52
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.52	21.00	1.00	1.00
##000000	7.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8BA3DA

Deuteranopia (green-blind)

#7694D7

Tritanopia (blue-blind)

#00B2B6

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40a4d8;
/* rgb */ color: rgb(64, 164, 216);
/* oklch */ color: oklch(68.3% 0.119 235.2);

Tailwind

colors: {
  custom: {
    50: '#87bee4',
    500: '#40a4d8',
    950: '#000000',
  },
}

SCSS

$custom: #40a4d8;
$custom-light: #87bee4;
$custom-dark: #000000;

JSON

{
  "hex": "#40a4d8",
  "rgb": {
    "r": 64,
    "g": 164,
    "b": 216
  },
  "hsl": {
    "h": 200.526,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.68268,
    "c": 0.1192,
    "h": 235.2
  },
  "luminance": 0.32599
}

Semantic roles & 50–950 ramp

primary

#40A4D8

secondary

#DAB09A

accent

#793FE9

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #40A4D8

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

Preview Lab → · Contrast checker → · Palette generator →