#100A37#100A37
#100A37 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.0% C 0.083 H 281.1°. Best body text is #FFFFFF at 18.74:1 contrast (WCAG AA passes).
Color values
| HEX | #100A37 |
|---|---|
| RGB | rgb(16, 10, 55) |
| HSL | hsl(248, 69%, 13%) |
| HSV | hsv(248, 82%, 22%) |
| CMYK | cmyk(70.9%, 81.8%, 0%, 78.4%) |
| CIE-LAB | lab(5.45, 17.54, -27.67) |
| CIE-LCH | lch(5.45, 32.76, 302.37°) |
| OKLab | oklab(19.02% 0.016 -0.0814) |
| OKLCH | oklch(19.02% 0.083 281.1) |
| XYZ | xyz(1.0116, 0.6030, 3.6768) |
| Luminance | 0.0060 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue (survey)
#020035
ΔE00 3.03
Dark Navy
#000435
ΔE00 3.41
Very Dark Blue
#000133
ΔE00 3.45
Midnight
#03012D
ΔE00 3.57
Dark Navy Blue
#00022E
ΔE00 4.10
Navy Blue (survey)
#001146
ΔE00 4.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#100A37 #31370A
analogous
#0A1A37 #100A37 #260A37
triadic
#100A37 #37100A #0A3710
tetradic
#100A37 #370A1A #31370A #0A3726
square
#100A37 #370A1A #31370A #0A3726
split-complementary
#100A37 #37260A #1A370A
monochromatic
#08051A #08051A #100A37 #1F136B #2E1D9F
Accessibility & contrast
On white
18.74
#100A37 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.12
#100A37 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #100A37
18.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##100A37 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##100A37 | 1.00 | 18.74 | 1.12 | 18.74 |
| #FFFFFF | 18.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.12 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 18.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001438
Deuteranopia (green-blind)
#001036
Tritanopia (blue-blind)
#00161F
Achromatopsia (no color)
#121212
Design tokens & code
CSS
--color: #100a37; /* rgb */ color: rgb(16, 10, 55); /* oklch */ color: oklch(19.0% 0.083 281.1);
Tailwind
colors: {
custom: {
50: '#534a6e',
500: '#100a37',
950: '#000000',
},
}SCSS
$custom: #100a37; $custom-light: #534a6e; $custom-dark: #000000;
JSON
{
"hex": "#100a37",
"rgb": {
"r": 16,
"g": 10,
"b": 55
},
"hsl": {
"h": 248,
"s": 69.231,
"l": 12.745
},
"oklch": {
"l": 0.19018,
"c": 0.08295,
"h": 281.1
},
"luminance": 0.00603
}Semantic roles & 50–950 ramp
primary
#100A37
secondary
#6A7428
accent
#EC3CD5
background
#F5F4F6
surface
#E8E7EC
border
#C4C3C7
text
#030107
muted
#78777A