#1F0F27
Closest named color: Rich Black (#0D1B2A). oklch(20.4% 0.051 313.5), rgb(31, 15, 39).
Aa
White text reads best on this color (18.16:1).
About this color
#1F0F27 is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.051 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.048 away. White text reads best on it, at 18.16:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.15:1 |
| White text | 18.16:1 |
Values
| HEX | #1F0F27 |
| RGB | rgb(31, 15, 39) |
| HSL | hsl(280, 44%, 11%) |
| OKLCH | oklch(20.4% 0.051 313.5) |
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 #1F0F27 | 18.16:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #1F0F27 | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #1F0F27 text on white | 18.16:1 | AAA | Lc 104.8 | Preferred for body text |
| #1F0F27 text on black | 1.15:1 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EEE7F2
oklch(93.7% 0.016 313.6)
-
Step 200
200
#E1D3E9
oklch(88.5% 0.033 313.5)
-
Step 300
300
#CFB6DD
oklch(81% 0.06 313.5)
-
Step 400
400
#B68FCB
oklch(70.7% 0.095 313.5)
-
Step 500
500
#A472BE
oklch(63.2% 0.123 313.4)
-
Step 600
600
#8F59AA
oklch(55.7% 0.133 313.5)
-
Step 700
700
#794892
oklch(49% 0.125 313.2)
-
Step 800
800
#633C76
oklch(42.8% 0.102 313.8)
-
Step 900
900
#51345F
oklch(37.8% 0.079 314.1)
-
Step 950
950 (this color)
#1F0F27
oklch(20.4% 0.051 313.5)
#1F0F27 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) | #0A1528 | 0.042 |
| Deuteranopia (no green cones) | #0E1626 | 0.039 |
| Tritanopia (no blue cones) | #1E1319 | 0.035 |
| Achromatopsia (no color) | #161616 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F0F27
#1F0F27
oklch(20.4% 0.051 313.5)
- #0D1C03
#0D1C03
oklch(20.6% 0.051 133.9)
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 #1F0F27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.048
- Very Dark Purple #2A0134 ΔE 0.049
- Midnight Purple #280137 ΔE 0.050
- Eggplant #380835 ΔE 0.065
- Dark #1B2431 ΔE 0.068
- Dark Purple #35063E ΔE 0.069
- Rich Navy #001219 ΔE 0.069
- Deep Purple #36013F ΔE 0.074
Use #1F0F27 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.