#40668F#40668F

#40668F is a mid, moderate cyan. Relative luminance 0.126; OKLCH L 50.0% C 0.079 H 251.4°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#40668F
RGB	rgb(64, 102, 143)
HSL	hsl(211, 38%, 41%)
HSV	hsv(211, 55%, 56%)
CMYK	cmyk(55.2%, 28.7%, 0%, 43.9%)
CIE-LAB	lab(42.12, -0.91, -26.66)
CIE-LCH	lch(42.12, 26.67, 268.04°)
OKLab	oklab(50.02% -0.0252 -0.0748)
OKLCH	oklch(50.02% 0.079 251.4)
XYZ	xyz(11.8219, 12.5750, 27.7855)
Luminance	0.1258 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40668F #8F6940

analogous

#408D8F #40668F #41408F

triadic

#40668F #8F4066 #668F40

tetradic

#40668F #8F408D #8F6940 #408F41

square

#40668F #8F408D #8F6940 #408F41

split-complementary

#40668F #8F4140 #8D8F40

monochromatic

#1A2A3A #2D4865 #40668F #5884B4 #82A3C7

Accessibility & contrast

On white

5.97

#40668F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#40668F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40668F

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40668F	#FFFFFF	#000000	##FFFFFF
##40668F	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#556891

Deuteranopia (green-blind)

#4B608E

Tritanopia (blue-blind)

#106F74

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #40668f;
/* rgb */ color: rgb(64, 102, 143);
/* oklch */ color: oklch(50.0% 0.079 251.4);

Tailwind

colors: {
  custom: {
    50: '#7b91b0',
    500: '#40668f',
    950: '#000000',
  },
}

SCSS

$custom: #40668f;
$custom-light: #7b91b0;
$custom-dark: #000000;

JSON

{
  "hex": "#40668f",
  "rgb": {
    "r": 64,
    "g": 102,
    "b": 143
  },
  "hsl": {
    "h": 211.139,
    "s": 38.164,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50019,
    "c": 0.07896,
    "h": 251.4
  },
  "luminance": 0.12576
}

Semantic roles & 50–950 ramp

primary

#40668F

secondary

#B29679

accent

#965ACE

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#0A0C10

muted

#7C7D7F

Preview Lab

Preview with #40668F

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

Preview Lab → · Contrast checker → · Palette generator →