#1F0318
Closest named color: Very Dark Brown (#1D0200). oklch(17% 0.061 338.8), rgb(31, 3, 24).
Aa
White text reads best on this color (19.36:1).
About this color
#1F0318 is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.061 and its hue 339°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.057 away. White text reads best on it, at 19.36:1.
| Hue family | Purples |
| Lightness | very dark (17%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.08:1 |
| White text | 19.36:1 |
Values
| HEX | #1F0318 |
| RGB | rgb(31, 3, 24) |
| HSL | hsl(315, 82%, 7%) |
| OKLCH | oklch(17% 0.061 338.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1F0318 | 19.36:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #1F0318 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #1F0318 text on white | 19.36:1 | AAA | Lc 105.3 | Preferred for body text |
| #1F0318 text on black | 1.08:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#FAF3F8
oklch(97.1% 0.01 335.5)
-
Step 100
100
#F4E5EF
oklch(93.7% 0.021 337.7)
-
Step 200
200
#ECCFE2
oklch(88.4% 0.041 338.7)
-
Step 300
300
#E1AFD0
oklch(80.9% 0.072 339.3)
-
Step 400
400
#D083B9
oklch(70.7% 0.117 338.7)
-
Step 500
500
#C262A7
oklch(63.2% 0.148 339)
-
Step 600
600
#AD4692
oklch(55.6% 0.161 339.1)
-
Step 700
700
#94377D
oklch(49.2% 0.15 338.6)
-
Step 800
800
#782E65
oklch(42.6% 0.124 338.8)
-
Step 900
900
#612A53
oklch(37.7% 0.097 338.1)
-
Step 950
950 (this color)
#1F0318
oklch(17% 0.061 338.8)
#1F0318 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #040B19 | 0.067 |
| Deuteranopia (no green cones) | #0C0F17 | 0.058 |
| Tritanopia (no blue cones) | #21040B | 0.030 |
| Achromatopsia (no color) | #0E0E0E | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F0318
#1F0318
oklch(17% 0.061 338.8)
- #001409
#001409
oklch(16.9% 0.038 159.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F0318, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.057
- Very Dark Purple #2A0134 ΔE 0.061
- Midnight Purple #280137 ΔE 0.065
- Almost Black #070D0D ΔE 0.072
- Rich Navy #001219 ΔE 0.080
- Dark Maroon #3C0008 ΔE 0.082
- Eggplant #380835 ΔE 0.084
- Rich Black #0D1B2A ΔE 0.084
Use #1F0318 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.