#1F092B
Closest named color: Very Dark Purple (#2A0134). oklch(19.6% 0.068 311.5), rgb(31, 9, 43).
Aa
White text reads best on this color (18.54:1).
About this color
#1F092B is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.068 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.035 away. White text reads best on it, at 18.54:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.13:1 |
| White text | 18.54:1 |
Values
| HEX | #1F092B |
| RGB | rgb(31, 9, 43) |
| HSL | hsl(279, 65%, 10%) |
| OKLCH | oklch(19.6% 0.068 311.5) |
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 #1F092B | 18.54:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #1F092B | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #1F092B text on white | 18.54:1 | AAA | Lc 104.9 | Preferred for body text |
| #1F092B text on black | 1.13:1 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F6
oklch(93.7% 0.023 310.7)
-
Step 200
200
#E3D1EF
oklch(88.4% 0.045 312)
-
Step 300
300
#D2B2E7
oklch(80.9% 0.081 311.8)
-
Step 400
400
#BB88DB
oklch(70.7% 0.129 311.6)
-
Step 500
500
#AA67D1
oklch(63% 0.166 311.7)
-
Step 600
600
#954CBE
oklch(55.6% 0.179 311.5)
-
Step 700
700
#7F3CA4
oklch(49.1% 0.167 311.5)
-
Step 800
800
#673285
oklch(42.6% 0.139 311.3)
-
Step 900
900
#542D6B
oklch(37.7% 0.109 311.3)
-
Step 950
950 (this color)
#1F092B
oklch(19.6% 0.068 311.5)
#1F092B 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) | #00122C | 0.063 |
| Deuteranopia (no green cones) | #06142A | 0.055 |
| Tritanopia (no blue cones) | #1E1018 | 0.048 |
| Achromatopsia (no color) | #131313 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F092B
#1F092B
oklch(19.6% 0.068 311.5)
- #0C1A00
#0C1A00
oklch(19.7% 0.054 131.4)
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 #1F092B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.035
- Midnight Purple #280137 ΔE 0.035
- Dark Purple #35063E ΔE 0.063
- Eggplant #380835 ΔE 0.063
- Rich Black #0D1B2A ΔE 0.063
- Deep Purple #36013F ΔE 0.066
- Aubergine #3D0734 ΔE 0.074
- Dark Plum #3F012C ΔE 0.078
Use #1F092B 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.