#101644#101644
#101644 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.9% C 0.086 H 272.0°. Best body text is #FFFFFF at 17.21:1 contrast (WCAG AA passes).
Color values
| HEX | #101644 |
|---|---|
| RGB | rgb(16, 22, 68) |
| HSL | hsl(233, 62%, 16%) |
| HSV | hsv(233, 76%, 27%) |
| CMYK | cmyk(76.5%, 67.6%, 0%, 73.3%) |
| CIE-LAB | lab(9.81, 15.38, -29.88) |
| CIE-LCH | lch(9.81, 33.60, 297.24°) |
| OKLab | oklab(22.85% 0.003 -0.0861) |
| OKLCH | oklch(22.85% 0.086 272) |
| XYZ | xyz(1.5436, 1.1012, 5.5989) |
| Luminance | 0.0110 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 2.54
Navy (survey)
#01153E
ΔE00 2.75
Dark Navy
#000435
ΔE00 4.10
Midnight Blue (survey)
#020035
ΔE00 4.51
Very Dark Blue
#000133
ΔE00 4.52
Dark Navy Blue
#00022E
ΔE00 5.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#101644 #443E10
analogous
#103044 #101644 #241044
triadic
#101644 #441016 #164410
tetradic
#101644 #441030 #443E10 #104424
square
#101644 #441030 #443E10 #104424
split-complementary
#101644 #442410 #304410
monochromatic
#060819 #060819 #101644 #1C2676 #2736A7
Accessibility & contrast
On white
17.21
#101644 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.22
#101644 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #101644
17.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##101644 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##101644 | 1.00 | 17.21 | 1.22 | 17.21 |
| #FFFFFF | 17.21 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.22 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.21 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001E46
Deuteranopia (green-blind)
#001943
Tritanopia (blue-blind)
#00212A
Achromatopsia (no color)
#1B1B1B
Design tokens & code
CSS
--color: #101644; /* rgb */ color: rgb(16, 22, 68); /* oklch */ color: oklch(22.9% 0.086 272.0);
Tailwind
colors: {
custom: {
50: '#565278',
500: '#101644',
950: '#000000',
},
}SCSS
$custom: #101644; $custom-light: #565278; $custom-dark: #000000;
JSON
{
"hex": "#101644",
"rgb": {
"r": 16,
"g": 22,
"b": 68
},
"hsl": {
"h": 233.077,
"s": 61.905,
"l": 16.471
},
"oklch": {
"l": 0.22854,
"c": 0.08618,
"h": 272
},
"luminance": 0.01101
}Semantic roles & 50–950 ramp
primary
#101644
secondary
#7E7532
accent
#D243E5
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#030209
muted
#78787B