#100E5B#100E5B
#100E5B is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.1% C 0.130 H 272.1°. Best body text is #FFFFFF at 16.99:1 contrast (WCAG AA passes).
Color values
| HEX | #100E5B |
|---|---|
| RGB | rgb(16, 14, 91) |
| HSL | hsl(242, 73%, 21%) |
| HSV | hsv(242, 85%, 36%) |
| CMYK | cmyk(82.4%, 84.6%, 0%, 64.3%) |
| CIE-LAB | lab(10.40, 29.93, -44.72) |
| CIE-LCH | lch(10.40, 53.82, 303.80°) |
| OKLab | oklab(24.06% 0.0047 -0.1294) |
| OKLCH | oklch(24.06% 0.13 272.1) |
| XYZ | xyz(2.2584, 1.1793, 10.0041) |
| Luminance | 0.0118 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkblue (survey)
#030764
ΔE00 2.53
Dark Blue
#00035B
ΔE00 2.73
Dark Indigo
#1F0954
ΔE00 2.90
Night Blue
#040348
ΔE00 3.62
Midnight Blue
#191970
ΔE00 3.97
Dark Royal Blue
#02066F
ΔE00 4.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#100E5B #595B0E
analogous
#0E325B #100E5B #360E5B
triadic
#100E5B #5B100E #0E5B10
tetradic
#100E5B #5B0E32 #595B0E #0E5B36
square
#100E5B #5B0E32 #595B0E #0E5B36
split-complementary
#100E5B #5B360E #325B0E
monochromatic
#05041B #070626 #100E5B #191690 #231EC5
Accessibility & contrast
On white
16.99
#100E5B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.24
#100E5B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #100E5B
16.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##100E5B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##100E5B | 1.00 | 16.99 | 1.24 | 16.99 |
| #FFFFFF | 16.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00205D
Deuteranopia (green-blind)
#00185A
Tritanopia (blue-blind)
#002634
Achromatopsia (no color)
#1C1C1C
Design tokens & code
CSS
--color: #100e5b; /* rgb */ color: rgb(16, 14, 91); /* oklch */ color: oklch(24.1% 0.130 272.1);
Tailwind
colors: {
custom: {
50: '#5e4e8a',
500: '#100e5b',
950: '#000000',
},
}SCSS
$custom: #100e5b; $custom-light: #5e4e8a; $custom-dark: #000000;
JSON
{
"hex": "#100e5b",
"rgb": {
"r": 16,
"g": 14,
"b": 91
},
"hsl": {
"h": 241.558,
"s": 73.333,
"l": 20.588
},
"oklch": {
"l": 0.24061,
"c": 0.12953,
"h": 272.1
},
"luminance": 0.0118
}Semantic roles & 50–950 ramp
primary
#100E5B
secondary
#929530
accent
#F038EB
background
#F5F4F8
surface
#EAE7F0
border
#C6C3CB
text
#05020C
muted
#79787D