#1F1031
Closest named color: Midnight Purple (#280137). oklch(21.4% 0.064 302.3), rgb(31, 16, 49).
Aa
White text reads best on this color (17.84:1).
About this color
#1F1031 is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.064 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.041 away. White text reads best on it, at 17.84:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.17:1 |
| White text | 17.84:1 |
Values
| HEX | #1F1031 |
| RGB | rgb(31, 16, 49) |
| HSL | hsl(267, 51%, 13%) |
| OKLCH | oklch(21.4% 0.064 302.3) |
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 #1F1031 | 17.84:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #1F1031 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #1F1031 text on white | 17.84:1 | AAA | Lc 104.5 | Preferred for body text |
| #1F1031 text on black | 1.17:1 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#ECE7F6
oklch(93.6% 0.021 301.1)
-
Step 200
200
#DED3F1
oklch(88.5% 0.042 302.2)
-
Step 300
300
#CAB5EA
oklch(80.9% 0.077 302.8)
-
Step 400
400
#AF8EDF
oklch(70.8% 0.12 302.2)
-
Step 500
500
#9C6FD6
oklch(63.1% 0.155 302.4)
-
Step 600
600
#8755C3
oklch(55.6% 0.167 302.2)
-
Step 700
700
#7344A9
oklch(49.1% 0.157 302.4)
-
Step 800
800
#5D3989
oklch(42.7% 0.13 301.9)
-
Step 900
900
#4C326D
oklch(37.7% 0.1 302.2)
-
Step 950
950 (this color)
#1F1031
oklch(21.4% 0.064 302.3)
#1F1031 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) | #041732 | 0.048 |
| Deuteranopia (no green cones) | #081730 | 0.044 |
| Tritanopia (no blue cones) | #1C161E | 0.047 |
| Achromatopsia (no color) | #171717 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F1031
#1F1031
oklch(21.4% 0.064 302.3)
- #151D00
#151D00
oklch(21.5% 0.053 122.9)
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 #1F1031, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.041
- Very Dark Purple #2A0134 ΔE 0.042
- Rich Black #0D1B2A ΔE 0.050
- Dark Purple #35063E ΔE 0.058
- Eggplant #380835 ΔE 0.059
- Deep Purple #36013F ΔE 0.064
- Dark #1B2431 ΔE 0.065
- Navy Blue #001146 ΔE 0.067
Use #1F1031 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.