#1F0F2B
Closest named color: Very Dark Purple (#2A0134). oklch(20.7% 0.057 308.6), rgb(31, 15, 43).
Aa
White text reads best on this color (18.08:1).
About this color
#1F0F2B is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.057 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.044 away. White text reads best on it, at 18.08:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.16:1 |
| White text | 18.08:1 |
Values
| HEX | #1F0F2B |
| RGB | rgb(31, 15, 43) |
| HSL | hsl(274, 48%, 11%) |
| OKLCH | oklch(20.7% 0.057 308.6) |
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 #1F0F2B | 18.08:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #1F0F2B | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #1F0F2B text on white | 18.08:1 | AAA | Lc 104.7 | Preferred for body text |
| #1F0F2B text on black | 1.16:1 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F4
oklch(93.6% 0.018 306.7)
-
Step 200
200
#E0D3EC
oklch(88.5% 0.037 308.8)
-
Step 300
300
#CDB5E2
oklch(80.8% 0.067 309)
-
Step 400
400
#B48ED4
oklch(70.8% 0.108 308.7)
-
Step 500
500
#A170C8
oklch(63% 0.137 308.6)
-
Step 600
600
#8C57B5
oklch(55.6% 0.149 308.3)
-
Step 700
700
#77469C
oklch(49.1% 0.14 308.4)
-
Step 800
800
#613A7E
oklch(42.6% 0.115 308.8)
-
Step 900
900
#4F3365
oklch(37.7% 0.088 308.6)
-
Step 950
950 (this color)
#1F0F2B
oklch(20.7% 0.057 308.6)
#1F0F2B 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) | #07152C | 0.046 |
| Deuteranopia (no green cones) | #0C162A | 0.041 |
| Tritanopia (no blue cones) | #1D141B | 0.040 |
| Achromatopsia (no color) | #161616 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F0F2B
#1F0F2B
oklch(20.7% 0.057 308.6)
- #101C00
#101C00
oklch(20.7% 0.054 128.4)
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 #1F0F2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.044
- Midnight Purple #280137 ΔE 0.045
- Rich Black #0D1B2A ΔE 0.049
- Eggplant #380835 ΔE 0.062
- Dark Purple #35063E ΔE 0.063
- Dark #1B2431 ΔE 0.068
- Deep Purple #36013F ΔE 0.069
- Aubergine #3D0734 ΔE 0.072
Use #1F0F2B 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.