#40819D#40819D

#40819D is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.2% C 0.079 H 228.6°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#40819D
RGB	rgb(64, 129, 157)
HSL	hsl(198, 42%, 43%)
HSV	hsv(198, 59%, 62%)
CMYK	cmyk(59.2%, 17.8%, 0%, 38.4%)
CIE-LAB	lab(50.95, -12.21, -21.26)
CIE-LCH	lch(50.95, 24.52, 240.12°)
OKLab	oklab(57.21% -0.0523 -0.0592)
OKLCH	oklch(57.21% 0.079 228.6)
XYZ	xyz(16.0481, 19.2233, 34.7565)
Luminance	0.1923 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40819D #9D5C40

analogous

#409D8A #40819D #40529D

triadic

#40819D #9D4081 #819D40

tetradic

#40819D #8A409D #9D5C40 #529D40

square

#40819D #8A409D #9D5C40 #529D40

split-complementary

#40819D #9D4052 #9D8A40

monochromatic

#1D3A46 #2E5D72 #40819D #5DA0BD #89BACF

Accessibility & contrast

On white

4.33

#40819D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#40819D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40819D

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40819D	#FFFFFF	#000000	##000000
##40819D	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727F9E

Deuteranopia (green-blind)

#65759D

Tritanopia (blue-blind)

#00898A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #40819d;
/* rgb */ color: rgb(64, 129, 157);
/* oklch */ color: oklch(57.2% 0.079 228.6);

Tailwind

colors: {
  custom: {
    50: '#7da5ba',
    500: '#40819d',
    950: '#000000',
  },
}

SCSS

$custom: #40819d;
$custom-light: #7da5ba;
$custom-dark: #000000;

JSON

{
  "hex": "#40819d",
  "rgb": {
    "r": 64,
    "g": 129,
    "b": 157
  },
  "hsl": {
    "h": 198.065,
    "s": 42.081,
    "l": 43.333
  },
  "oklch": {
    "l": 0.57208,
    "c": 0.07901,
    "h": 228.6
  },
  "luminance": 0.19225
}

Semantic roles & 50–950 ramp

primary

#40819D

secondary

#B9917F

accent

#7B56D2

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #40819D

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

Preview Lab → · Contrast checker → · Palette generator →