#40668D#40668D
#40668D is a mid, moderate cyan. Relative luminance 0.125; OKLCH L 49.9% C 0.076 H 250.2°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #40668D |
|---|---|
| RGB | rgb(64, 102, 141) |
| HSL | hsl(210, 38%, 40%) |
| HSV | hsv(210, 55%, 55%) |
| CMYK | cmyk(54.6%, 27.7%, 0%, 44.7%) |
| CIE-LAB | lab(42.02, -1.58, -25.60) |
| CIE-LCH | lch(42.02, 25.65, 266.48°) |
| OKLab | oklab(49.92% -0.0259 -0.0718) |
| OKLCH | oklch(49.92% 0.076 250.2) |
| XYZ | xyz(11.6717, 12.5149, 26.9947) |
| Luminance | 0.1252 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Denim (survey)
#3B638C
ΔE00 1.18
Ugly Blue
#31668A
ΔE00 3.61
Light Navy Blue
#2E5A88
ΔE00 4.43
Muted Blue
#3B719F
ΔE00 4.65
French Blue
#436BAD
ΔE00 4.72
Denim Blue
#3B5B92
ΔE00 4.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#40668D #8D6740
analogous
#408C8D #40668D #41408D
triadic
#40668D #8D4066 #668D40
tetradic
#40668D #8D408C #8D6740 #408D41
square
#40668D #8D408C #8D6740 #408D41
split-complementary
#40668D #8D4140 #8C8D40
monochromatic
#1A2939 #2D4863 #40668D #5785B3 #81A3C6
Accessibility & contrast
On white
5.99
#40668D on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.50
#40668D on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #40668D
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##40668D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##40668D | 1.00 | 5.99 | 3.50 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#56678F
Deuteranopia (green-blind)
#4C608C
Tritanopia (blue-blind)
#136F74
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #40668d; /* rgb */ color: rgb(64, 102, 141); /* oklch */ color: oklch(49.9% 0.076 250.2);
Tailwind
colors: {
custom: {
50: '#7a91ae',
500: '#40668d',
950: '#000000',
},
}SCSS
$custom: #40668d; $custom-light: #7a91ae; $custom-dark: #000000;
JSON
{
"hex": "#40668d",
"rgb": {
"r": 64,
"g": 102,
"b": 141
},
"hsl": {
"h": 210.39,
"s": 37.561,
"l": 40.196
},
"oklch": {
"l": 0.49915,
"c": 0.07629,
"h": 250.2
},
"luminance": 0.12516
}Semantic roles & 50–950 ramp
primary
#40668D
secondary
#B09578
accent
#955ACE
background
#F7F8FA
surface
#EEF0F4
border
#C9CBCE
text
#0A0C10
muted
#7C7D7F