#1F0B2B
Closest named color: Very Dark Purple (#2A0134). oklch(19.9% 0.065 310.7), rgb(31, 11, 43).
Aa
White text reads best on this color (18.40:1).
About this color
#1F0B2B is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.065 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.037 away. White text reads best on it, at 18.40:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.14:1 |
| White text | 18.40:1 |
Values
| HEX | #1F0B2B |
| RGB | rgb(31, 11, 43) |
| HSL | hsl(278, 59%, 11%) |
| OKLCH | oklch(19.9% 0.065 310.7) |
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 #1F0B2B | 18.40:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #1F0B2B | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #1F0B2B text on white | 18.40:1 | AAA | Lc 104.8 | Preferred for body text |
| #1F0B2B text on black | 1.14:1 | 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
#F8F4FB
oklch(97.2% 0.01 311.2)
-
Step 100
100
#EFE6F5
oklch(93.6% 0.022 312.2)
-
Step 200
200
#E2D2EE
oklch(88.5% 0.042 310.9)
-
Step 300
300
#D0B3E6
oklch(80.8% 0.077 310.3)
-
Step 400
400
#B98AD9
oklch(70.7% 0.123 310.8)
-
Step 500
500
#A76ACE
oklch(63% 0.157 310.8)
-
Step 600
600
#924FBB
oklch(55.5% 0.17 310.7)
-
Step 700
700
#7D3FA1
oklch(49% 0.159 311.1)
-
Step 800
800
#653583
oklch(42.7% 0.131 310.4)
-
Step 900
900
#532F69
oklch(37.7% 0.103 311.1)
-
Step 950
950 (this color)
#1F0B2B
oklch(19.9% 0.065 310.7)
#1F0B2B 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) | #02132C | 0.057 |
| Deuteranopia (no green cones) | #08142A | 0.050 |
| Tritanopia (no blue cones) | #1D1119 | 0.045 |
| Achromatopsia (no color) | #141414 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F0B2B
#1F0B2B
oklch(19.9% 0.065 310.7)
- #0D1A00
#0D1A00
oklch(19.8% 0.054 130.3)
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 #1F0B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.037
- Midnight Purple #280137 ΔE 0.038
- Rich Black #0D1B2A ΔE 0.059
- Eggplant #380835 ΔE 0.062
- Dark Purple #35063E ΔE 0.062
- Deep Purple #36013F ΔE 0.067
- Aubergine #3D0734 ΔE 0.073
- Navy Blue #001146 ΔE 0.077
Use #1F0B2B 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.