#1B0F2C
Closest named color: Rich Black (#0D1B2A). oklch(20.2% 0.057 300.5), rgb(27, 15, 44).
Aa
White text reads best on this color (18.24:1).
About this color
#1B0F2C is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.057 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.046 away. White text reads best on it, at 18.24:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.15:1 |
| White text | 18.24:1 |
Values
| HEX | #1B0F2C |
| RGB | rgb(27, 15, 44) |
| HSL | hsl(265, 49%, 12%) |
| OKLCH | oklch(20.2% 0.057 300.5) |
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 #1B0F2C | 18.24:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #1B0F2C | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #1B0F2C text on white | 18.24:1 | AAA | Lc 104.8 | Preferred for body text |
| #1B0F2C text on black | 1.15:1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F5
oklch(93.6% 0.019 302.2)
-
Step 200
200
#DDD4EF
oklch(88.5% 0.038 300.8)
-
Step 300
300
#C7B7E6
oklch(80.8% 0.067 300.5)
-
Step 400
400
#AB91DA
oklch(70.7% 0.108 300)
-
Step 500
500
#9774CF
oklch(63.1% 0.137 300.3)
-
Step 600
600
#825ABC
oklch(55.5% 0.15 300.4)
-
Step 700
700
#6E4AA2
oklch(49.1% 0.138 300.3)
-
Step 800
800
#5A3D84
oklch(42.7% 0.116 300.4)
-
Step 900
900
#4A3569
oklch(37.8% 0.089 300.9)
-
Step 950
950 (this color)
#1B0F2C
oklch(20.2% 0.057 300.5)
#1B0F2C 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) | #05152D | 0.041 |
| Deuteranopia (no green cones) | #08152B | 0.037 |
| Tritanopia (no blue cones) | #18151B | 0.044 |
| Achromatopsia (no color) | #151515 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B0F2C
#1B0F2C
oklch(20.2% 0.057 300.5)
- #141900
#141900
oklch(20.1% 0.047 119.2)
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 #1B0F2C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.046
- Midnight Purple #280137 ΔE 0.048
- Very Dark Purple #2A0134 ΔE 0.049
- Navy Blue #001146 ΔE 0.068
- Rich Navy #001219 ΔE 0.068
- Dark #1B2431 ΔE 0.069
- Dark Purple #35063E ΔE 0.070
- Eggplant #380835 ΔE 0.070
Use #1B0F2C 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.