#1B0B29
Closest named color: Midnight Purple (#280137). oklch(19.2% 0.06 306.1), rgb(27, 11, 41).
Aa
White text reads best on this color (18.64:1).
About this color
#1B0B29 is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.060 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.046 away. White text reads best on it, at 18.64:1.
| Hue family | Purples |
| Lightness | very dark (19%) |
| Chroma | muted (0.060) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.12:1 |
| White text | 18.64:1 |
Values
| HEX | #1B0B29 |
| RGB | rgb(27, 11, 41) |
| HSL | hsl(272, 58%, 10%) |
| OKLCH | oklch(19.2% 0.06 306.1) |
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 #1B0B29 | 18.64:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #1B0B29 | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #1B0B29 text on white | 18.64:1 | AAA | Lc 105.0 | Preferred for body text |
| #1B0B29 text on black | 1.12:1 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#DFD3EE
oklch(88.5% 0.039 305.6)
-
Step 300
300
#CCB5E6
oklch(80.9% 0.072 306.1)
-
Step 400
400
#B28DD9
oklch(70.6% 0.115 306)
-
Step 500
500
#A06FCE
oklch(63.1% 0.146 306.5)
-
Step 600
600
#8B55BB
oklch(55.6% 0.159 306.4)
-
Step 700
700
#7645A1
oklch(49.1% 0.147 306.3)
-
Step 800
800
#603983
oklch(42.7% 0.123 306.2)
-
Step 900
900
#4E3269
oklch(37.7% 0.095 305.8)
-
Step 950
950 (this color)
#1B0B29
oklch(19.2% 0.06 306.1)
#1B0B29 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) | #02122A | 0.050 |
| Deuteranopia (no green cones) | #061328 | 0.045 |
| Tritanopia (no blue cones) | #191118 | 0.044 |
| Achromatopsia (no color) | #131313 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B0B29
#1B0B29
oklch(19.2% 0.06 306.1)
- #0F1800
#0F1800
oklch(19.3% 0.049 125.8)
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 #1B0B29, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.046
- Very Dark Purple #2A0134 ΔE 0.046
- Rich Black #0D1B2A ΔE 0.056
- Rich Navy #001219 ΔE 0.069
- Midnight #03012D ΔE 0.072
- Eggplant #380835 ΔE 0.072
- Dark Navy #000435 ΔE 0.072
- Dark Purple #35063E ΔE 0.072
Use #1B0B29 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.