#1F0C31
Closest named color: Midnight Purple (#280137). oklch(20.6% 0.071 304.5), rgb(31, 12, 49).
Aa
White text reads best on this color (18.17:1).
About this color
#1F0C31 is a very dark, moderately saturated purple. In OKLCH its lightness is 21%, its chroma 0.071 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.033 away. White text reads best on it, at 18.17:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.15:1 |
| White text | 18.17:1 |
Values
| HEX | #1F0C31 |
| RGB | rgb(31, 12, 49) |
| HSL | hsl(271, 61%, 12%) |
| OKLCH | oklch(20.6% 0.071 304.5) |
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 #1F0C31 | 18.17:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #1F0C31 | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #1F0C31 text on white | 18.17:1 | AAA | Lc 104.7 | Preferred for body text |
| #1F0C31 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F7
oklch(93.5% 0.024 304.5)
-
Step 200
200
#E0D2F3
oklch(88.5% 0.047 304.6)
-
Step 300
300
#CDB3ED
oklch(80.9% 0.085 305)
-
Step 400
400
#B48AE4
oklch(70.8% 0.134 304.7)
-
Step 500
500
#A169DC
oklch(63% 0.173 304.4)
-
Step 600
600
#8D4DCA
oklch(55.6% 0.189 304.5)
-
Step 700
700
#783DAE
oklch(49% 0.175 304.8)
-
Step 800
800
#61348D
oklch(42.7% 0.143 304.3)
-
Step 900
900
#4F2E71
oklch(37.6% 0.113 304.2)
-
Step 950
950 (this color)
#1F0C31
oklch(20.6% 0.071 304.5)
#1F0C31 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) | #001532 | 0.058 |
| Deuteranopia (no green cones) | #041630 | 0.054 |
| Tritanopia (no blue cones) | #1C141C | 0.053 |
| Achromatopsia (no color) | #161616 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F0C31
#1F0C31
oklch(20.6% 0.071 304.5)
- #121B00
#121B00
oklch(20.6% 0.052 124.8)
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 #1F0C31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.033
- Very Dark Purple #2A0134 ΔE 0.035
- Dark Purple #35063E ΔE 0.057
- Rich Black #0D1B2A ΔE 0.059
- Eggplant #380835 ΔE 0.060
- Deep Purple #36013F ΔE 0.061
- Dark Indigo #1F0954 ΔE 0.067
- Navy Blue #001146 ΔE 0.069
Use #1F0C31 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.