#1C104F#1C104F
#1C104F is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 23.9% C 0.108 H 283.3°. Best body text is #FFFFFF at 16.98:1 contrast (WCAG AA passes).
Color values
| HEX | #1C104F |
|---|---|
| RGB | rgb(28, 16, 79) |
| HSL | hsl(251, 66%, 19%) |
| HSV | hsv(251, 80%, 31%) |
| CMYK | cmyk(64.6%, 79.7%, 0%, 69%) |
| CIE-LAB | lab(10.42, 25.85, -36.48) |
| CIE-LCH | lch(10.42, 44.71, 305.32°) |
| OKLab | oklab(23.91% 0.0249 -0.1051) |
| OKLCH | oklch(23.91% 0.108 283.3) |
| XYZ | xyz(2.0750, 1.1818, 7.5144) |
| Luminance | 0.0118 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Dark Indigo
#1F0954
ΔE00 2.41
Night Blue
#040348
ΔE00 3.72
Navy Blue (survey)
#001146
ΔE00 4.66
Dark Blue
#00035B
ΔE00 5.16
Darkblue (survey)
#030764
ΔE00 5.50
Midnight Blue
#191970
ΔE00 6.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C104F #434F10
analogous
#10234F #1C104F #3B104F
triadic
#1C104F #4F1C10 #104F1C
tetradic
#1C104F #4F1023 #434F10 #104F3B
square
#1C104F #4F1023 #434F10 #104F3B
split-complementary
#1C104F #4F3B10 #234F10
monochromatic
#090519 #0A061C #1C104F #2E1A82 #4025B5
Accessibility & contrast
On white
16.98
#1C104F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.24
#1C104F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C104F
16.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C104F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C104F | 1.00 | 16.98 | 1.24 | 16.98 |
| #FFFFFF | 16.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001E51
Deuteranopia (green-blind)
#001A4E
Tritanopia (blue-blind)
#01212E
Achromatopsia (no color)
#1C1C1C
Design tokens & code
CSS
--color: #1c104f; /* rgb */ color: rgb(28, 16, 79); /* oklch */ color: oklch(23.9% 0.108 283.3);
Tailwind
colors: {
custom: {
50: '#604f81',
500: '#1c104f',
950: '#000000',
},
}SCSS
$custom: #1c104f; $custom-light: #604f81; $custom-dark: #000000;
JSON
{
"hex": "#1c104f",
"rgb": {
"r": 28,
"g": 16,
"b": 79
},
"hsl": {
"h": 251.429,
"s": 66.316,
"l": 18.627
},
"oklch": {
"l": 0.23912,
"c": 0.108,
"h": 283.3
},
"luminance": 0.01182
}Semantic roles & 50–950 ramp
primary
#1C104F
secondary
#788932
accent
#E93FC9
background
#F5F4F7
surface
#EAE7EE
border
#C6C3C9
text
#05020A
muted
#79787C