#1D112B
Closest named color: Rich Black (#0D1B2A). oklch(20.8% 0.052 303.5), rgb(29, 17, 43).
Aa
White text reads best on this color (17.99:1).
About this color
#1D112B is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.052 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.042 away. White text reads best on it, at 17.99:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 17.99:1 |
Values
| HEX | #1D112B |
| RGB | rgb(29, 17, 43) |
| HSL | hsl(268, 43%, 12%) |
| OKLCH | oklch(20.8% 0.052 303.5) |
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 #1D112B | 17.99:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #1D112B | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #1D112B text on white | 17.99:1 | AAA | Lc 104.6 | Preferred for body text |
| #1D112B 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F4
oklch(93.6% 0.018 303.4)
-
Step 200
200
#DED4EC
oklch(88.5% 0.034 304.5)
-
Step 300
300
#C9B7E2
oklch(80.9% 0.063 304.1)
-
Step 400
400
#AD91D3
oklch(70.6% 0.099 303.4)
-
Step 500
500
#9A75C7
oklch(63.1% 0.125 303.8)
-
Step 600
600
#845CB4
oklch(55.5% 0.137 303.2)
-
Step 700
700
#704B9B
oklch(49% 0.128 303.4)
-
Step 800
800
#5B3E7D
oklch(42.6% 0.105 303.5)
-
Step 900
900
#4B3665
oklch(37.8% 0.081 303.4)
-
Step 950
950 (this color)
#1D112B
oklch(20.8% 0.052 303.5)
#1D112B 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) | #09162C | 0.037 |
| Deuteranopia (no green cones) | #0C172A | 0.035 |
| Tritanopia (no blue cones) | #1B161B | 0.041 |
| Achromatopsia (no color) | #171717 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D112B
#1D112B
oklch(20.8% 0.052 303.5)
- #131B00
#131B00
oklch(20.7% 0.051 123.4)
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 #1D112B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.042
- Very Dark Purple #2A0134 ΔE 0.051
- Midnight Purple #280137 ΔE 0.051
- Dark #1B2431 ΔE 0.062
- Eggplant #380835 ΔE 0.066
- Dark Purple #35063E ΔE 0.068
- Rich Navy #001219 ΔE 0.069
- Oxford Blue #1B263B ΔE 0.070
Use #1D112B 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.