#1B051D
Closest named color: Very Dark Purple (#2A0134). oklch(17% 0.058 324.4), rgb(27, 5, 29).
Aa
White text reads best on this color (19.33:1).
About this color
#1B051D is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.058 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.058 away. White text reads best on it, at 19.33:1.
| Hue family | Purples |
| Lightness | very dark (17%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.08:1 |
| White text | 19.33:1 |
Values
| HEX | #1B051D |
| RGB | rgb(27, 5, 29) |
| HSL | hsl(295, 71%, 7%) |
| OKLCH | oklch(17% 0.058 324.4) |
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 #1B051D | 19.33:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #1B051D | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #1B051D text on white | 19.33:1 | AAA | Lc 105.4 | Preferred for body text |
| #1B051D text on black | 1.08:1 | 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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F1E6F1
oklch(93.7% 0.019 325.7)
-
Step 200
200
#E6D1E7
oklch(88.4% 0.037 324.5)
-
Step 300
300
#D7B2DA
oklch(80.9% 0.069 323.8)
-
Step 400
400
#C389C7
oklch(70.8% 0.109 324.5)
-
Step 500
500
#B269B8
oklch(63% 0.14 324.3)
-
Step 600
600
#9D4FA4
oklch(55.5% 0.151 324.2)
-
Step 700
700
#863F8C
oklch(49% 0.141 324.4)
-
Step 800
800
#6D3572
oklch(42.7% 0.116 324.2)
-
Step 900
900
#592F5C
oklch(37.8% 0.09 324.7)
-
Step 950
950 (this color)
#1B051D
oklch(17% 0.058 324.4)
#1B051D 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) | #020C1E | 0.059 |
| Deuteranopia (no green cones) | #080F1C | 0.051 |
| Tritanopia (no blue cones) | #1C080F | 0.035 |
| Achromatopsia (no color) | #0E0E0E | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B051D
#1B051D
oklch(17% 0.058 324.4)
- #001501
#001501
oklch(17% 0.055 144)
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 #1B051D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.058
- Midnight Purple #280137 ΔE 0.060
- Almost Black #070D0D ΔE 0.067
- Very Dark Brown #1D0200 ΔE 0.067
- Rich Navy #001219 ΔE 0.071
- Rich Black #0D1B2A ΔE 0.075
- Midnight #03012D ΔE 0.076
- Dark Navy Blue #00022E ΔE 0.083
Use #1B051D 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.