#100D43#100D43
#100D43 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.9% C 0.097 H 276.4°. Best body text is #FFFFFF at 18.09:1 contrast (WCAG AA passes).
Color values
| HEX | #100D43 |
|---|---|
| RGB | rgb(16, 13, 67) |
| HSL | hsl(243, 68%, 16%) |
| HSV | hsv(243, 81%, 26%) |
| CMYK | cmyk(76.1%, 80.6%, 0%, 73.7%) |
| CIE-LAB | lab(7.25, 21.46, -33.35) |
| CIE-LCH | lch(7.25, 39.66, 302.76°) |
| OKLab | oklab(20.95% 0.0108 -0.0965) |
| OKLCH | oklch(20.95% 0.097 276.4) |
| XYZ | xyz(1.3704, 0.8031, 5.3919) |
| Luminance | 0.0080 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 2.98
Night Blue
#040348
ΔE00 3.26
Midnight Blue (survey)
#020035
ΔE00 3.68
Dark Navy
#000435
ΔE00 4.20
Very Dark Blue
#000133
ΔE00 4.41
Dark Indigo
#1F0954
ΔE00 4.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#100D43 #40430D
analogous
#0D2543 #100D43 #2B0D43
triadic
#100D43 #43100D #0D4310
tetradic
#100D43 #430D25 #40430D #0D432B
square
#100D43 #430D25 #40430D #0D432B
split-complementary
#100D43 #432B0D #25430D
monochromatic
#06051A #06051A #100D43 #1C1776 #2821AA
Accessibility & contrast
On white
18.09
#100D43 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.16
#100D43 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #100D43
18.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##100D43 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##100D43 | 1.00 | 18.09 | 1.16 | 18.09 |
| #FFFFFF | 18.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.16 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 18.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001845
Deuteranopia (green-blind)
#001442
Tritanopia (blue-blind)
#001C27
Achromatopsia (no color)
#161616
Design tokens & code
CSS
--color: #100d43; /* rgb */ color: rgb(16, 13, 67); /* oklch */ color: oklch(20.9% 0.097 276.4);
Tailwind
colors: {
custom: {
50: '#574c78',
500: '#100d43',
950: '#000000',
},
}SCSS
$custom: #100d43; $custom-light: #574c78; $custom-dark: #000000;
JSON
{
"hex": "#100d43",
"rgb": {
"r": 16,
"g": 13,
"b": 67
},
"hsl": {
"h": 243.333,
"s": 67.5,
"l": 15.686
},
"oklch": {
"l": 0.20946,
"c": 0.09708,
"h": 276.4
},
"luminance": 0.00803
}Semantic roles & 50–950 ramp
primary
#100D43
secondary
#7A7E2D
accent
#EA3DE1
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#040109
muted
#79777B