#1F144C#1F144C
#1F144C is a very dark, moderate violet. Relative luminance 0.013; OKLCH L 24.6% C 0.098 H 285.7°. Best body text is #FFFFFF at 16.63:1 contrast (WCAG AA passes).
Color values
| HEX | #1F144C |
|---|---|
| RGB | rgb(31, 20, 76) |
| HSL | hsl(252, 58%, 19%) |
| HSV | hsv(252, 74%, 30%) |
| CMYK | cmyk(59.2%, 73.7%, 0%, 70.2%) |
| CIE-LAB | lab(11.37, 22.76, -32.85) |
| CIE-LCH | lch(11.37, 39.97, 304.72°) |
| OKLab | oklab(24.57% 0.0265 -0.0944) |
| OKLCH | oklch(24.57% 0.098 285.7) |
| XYZ | xyz(2.1193, 1.3133, 6.9779) |
| Luminance | 0.0131 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Dark Indigo
#1F0954
ΔE00 3.94
Navy Blue (survey)
#001146
ΔE00 4.62
Night Blue
#040348
ΔE00 4.98
Midnight Blue (survey)
#020035
ΔE00 6.30
Navy (survey)
#01153E
ΔE00 6.59
Dark Navy
#000435
ΔE00 6.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F144C #414C14
analogous
#14254C #1F144C #3B144C
triadic
#1F144C #4C1F14 #144C1F
tetradic
#1F144C #4C1425 #414C14 #144C3B
square
#1F144C #4C1425 #414C14 #144C3B
split-complementary
#1F144C #4C3B14 #254C14
monochromatic
#0A0618 #0B071C #1F144C #33217C #472EAD
Accessibility & contrast
On white
16.63
#1F144C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.26
#1F144C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F144C
16.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F144C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F144C | 1.00 | 16.63 | 1.26 | 16.63 |
| #FFFFFF | 16.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00204E
Deuteranopia (green-blind)
#001D4B
Tritanopia (blue-blind)
#0C222E
Achromatopsia (no color)
#1E1E1E
Design tokens & code
CSS
--color: #1f144c; /* rgb */ color: rgb(31, 20, 76); /* oklch */ color: oklch(24.6% 0.098 285.7);
Tailwind
colors: {
custom: {
50: '#60527f',
500: '#1f144c',
950: '#000000',
},
}SCSS
$custom: #1f144c; $custom-light: #60527f; $custom-dark: #000000;
JSON
{
"hex": "#1f144c",
"rgb": {
"r": 31,
"g": 20,
"b": 76
},
"hsl": {
"h": 251.786,
"s": 58.333,
"l": 18.824
},
"oklch": {
"l": 0.24571,
"c": 0.09801,
"h": 285.7
},
"luminance": 0.01313
}Semantic roles & 50–950 ramp
primary
#1F144C
secondary
#758438
accent
#E246C3
background
#F5F4F7
surface
#EAE7EE
border
#C6C3C9
text
#05020A
muted
#79787C