#1F133E#1F133E
#1F133E is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.1% C 0.079 H 291.9°. Best body text is #FFFFFF at 17.20:1 contrast (WCAG AA passes).
Color values
| HEX | #1F133E |
|---|---|
| RGB | rgb(31, 19, 62) |
| HSL | hsl(257, 53%, 16%) |
| HSV | hsv(257, 69%, 24%) |
| CMYK | cmyk(50%, 69.4%, 0%, 75.7%) |
| CIE-LAB | lab(9.84, 18.55, -25.52) |
| CIE-LCH | lch(9.84, 31.55, 306.01°) |
| OKLab | oklab(23.06% 0.0293 -0.0728) |
| OKLCH | oklch(23.06% 0.079 291.9) |
| XYZ | xyz(1.6672, 1.1048, 4.6819) |
| Luminance | 0.0111 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 6.09
Midnight Blue (survey)
#020035
ΔE00 6.16
Dark Navy
#000435
ΔE00 6.37
Midnight
#03012D
ΔE00 6.39
Midnight Purple
#280137
ΔE00 6.42
Very Dark Blue
#000133
ΔE00 6.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F133E #323E13
analogous
#131C3E #1F133E #34133E
triadic
#1F133E #3E1F13 #133E1F
tetradic
#1F133E #3E131C #323E13 #133E34
square
#1F133E #3E131C #323E13 #133E34
split-complementary
#1F133E #3E3413 #1C3E13
monochromatic
#0C0717 #0C0717 #1F133E #36216D #4E309C
Accessibility & contrast
On white
17.20
#1F133E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.22
#1F133E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F133E
17.20:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F133E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F133E | 1.00 | 17.20 | 1.22 | 17.20 |
| #FFFFFF | 17.20 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.22 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.20 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001C3F
Deuteranopia (green-blind)
#001A3D
Tritanopia (blue-blind)
#161D26
Achromatopsia (no color)
#1B1B1B
Design tokens & code
CSS
--color: #1f133e; /* rgb */ color: rgb(31, 19, 62); /* oklch */ color: oklch(23.1% 0.079 291.9);
Tailwind
colors: {
custom: {
50: '#5e5174',
500: '#1f133e',
950: '#000000',
},
}SCSS
$custom: #1f133e; $custom-light: #5e5174; $custom-dark: #000000;
JSON
{
"hex": "#1f133e",
"rgb": {
"r": 31,
"g": 19,
"b": 62
},
"hsl": {
"h": 256.744,
"s": 53.086,
"l": 15.882
},
"oklch": {
"l": 0.23059,
"c": 0.07851,
"h": 291.9
},
"luminance": 0.01105
}Semantic roles & 50–950 ramp
primary
#1F133E
secondary
#657736
accent
#DC4BB4
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#040208
muted
#79787B