#1F0B3A
Closest named color: Midnight Purple (#280137). oklch(21.3% 0.085 298.2), rgb(31, 11, 58).
Aa
White text reads best on this color (17.99:1).
About this color
#1F0B3A is a very dark, moderately saturated purple. In OKLCH its lightness is 21%, its chroma 0.085 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.030 away. White text reads best on it, at 17.99:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.16:1 |
| White text | 17.99:1 |
Values
| HEX | #1F0B3A |
| RGB | rgb(31, 11, 58) |
| HSL | hsl(266, 68%, 14%) |
| OKLCH | oklch(21.3% 0.085 298.2) |
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 #1F0B3A | 17.99:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #1F0B3A | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #1F0B3A text on white | 17.99:1 | AAA | Lc 104.4 | Preferred for body text |
| #1F0B3A 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#ECE6FB
oklch(93.6% 0.029 298.9)
-
Step 200
200
#DDD2FA
oklch(88.5% 0.056 297.8)
-
Step 300
300
#C8B3FA
oklch(80.9% 0.101 297.7)
-
Step 400
400
#AE87F7
oklch(70.7% 0.162 298.2)
-
Step 500
500
#9C64F3
oklch(63.2% 0.206 298.3)
-
Step 600
600
#8844E2
oklch(55.6% 0.225 298.4)
-
Step 700
700
#7334C4
oklch(49% 0.209 298.1)
-
Step 800
800
#5E2D9F
oklch(42.8% 0.174 298.3)
-
Step 900
900
#4C2B7E
oklch(37.7% 0.134 297.9)
-
Step 950
950 (this color)
#1F0B3A
oklch(21.3% 0.085 298.2)
#1F0B3A 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) | #00173B | 0.057 |
| Deuteranopia (no green cones) | #001639 | 0.057 |
| Tritanopia (no blue cones) | #181621 | 0.064 |
| Achromatopsia (no color) | #171717 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F0B3A
#1F0B3A
oklch(21.3% 0.085 298.2)
- #171C00
#171C00
oklch(21.4% 0.05 118.5)
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 #1F0B3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.030
- Very Dark Purple #2A0134 ΔE 0.035
- Dark Indigo #1F0954 ΔE 0.049
- Dark Purple #35063E ΔE 0.052
- Deep Purple #36013F ΔE 0.056
- Navy Blue #001146 ΔE 0.060
- Eggplant #380835 ΔE 0.061
- Rich Black #0D1B2A ΔE 0.067
Use #1F0B3A 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.