#1D0F3F
Closest named color: Dark Indigo (#1F0954). oklch(22.2% 0.086 291.1), rgb(29, 15, 63).
Aa
White text reads best on this color (17.61:1).
About this color
#1D0F3F is a very dark, moderately saturated purple. In OKLCH its lightness is 22%, its chroma 0.086 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.040 away. White text reads best on it, at 17.61:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.19:1 |
| White text | 17.61:1 |
Values
| HEX | #1D0F3F |
| RGB | rgb(29, 15, 63) |
| HSL | hsl(258, 62%, 15%) |
| OKLCH | oklch(22.2% 0.086 291.1) |
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 #1D0F3F | 17.61:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #1D0F3F | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #1D0F3F text on white | 17.61:1 | AAA | Lc 104.2 | Preferred for body text |
| #1D0F3F text on black | 1.19:1 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FD
oklch(93.6% 0.03 290)
-
Step 200
200
#D9D3FD
oklch(88.5% 0.058 291.7)
-
Step 300
300
#C1B5FE
oklch(80.9% 0.102 291.5)
-
Step 400
400
#A38BFE
oklch(70.8% 0.164 291.2)
-
Step 500
500
#8E68FB
oklch(63% 0.209 291.1)
-
Step 600
600
#7A4AEA
oklch(55.6% 0.227 290.9)
-
Step 700
700
#6839CC
oklch(49.1% 0.212 291.2)
-
Step 800
800
#5431A5
oklch(42.7% 0.175 290.9)
-
Step 900
900
#452D83
oklch(37.7% 0.137 291.2)
-
Step 950
950 (this color)
#1D0F3F
oklch(22.2% 0.086 291.1)
#1D0F3F 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) | #001A40 | 0.049 |
| Deuteranopia (no green cones) | #00183E | 0.048 |
| Tritanopia (no blue cones) | #121B25 | 0.070 |
| Achromatopsia (no color) | #191919 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D0F3F
#1D0F3F
oklch(22.2% 0.086 291.1)
- #1C1D00
#1C1D00
oklch(22.2% 0.049 111.6)
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 #1D0F3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.040
- Midnight Purple #280137 ΔE 0.042
- Very Dark Purple #2A0134 ΔE 0.047
- Navy Blue #001146 ΔE 0.050
- Dark Purple #35063E ΔE 0.057
- Night Blue #040348 ΔE 0.061
- Deep Purple #36013F ΔE 0.061
- Rich Black #0D1B2A ΔE 0.063
Use #1D0F3F 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.