#15051B
Closest named color: Almost Black (#070D0D). oklch(15.8% 0.051 316.3), rgb(21, 5, 27).
Aa
White text reads best on this color (19.63:1).
About this color
#15051B is a very dark, muted purple. In OKLCH its lightness is 16%, its chroma 0.051 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.057 away. White text reads best on it, at 19.63:1.
| Hue family | Purples |
| Lightness | very dark (16%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.06:1 |
| White text | 19.63:1 |
Values
| HEX | #15051B |
| RGB | rgb(21, 5, 27) |
| HSL | hsl(284, 69%, 6%) |
| OKLCH | oklch(15.8% 0.051 316.3) |
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 #15051B | 19.63:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #15051B | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #15051B text on white | 19.63:1 | AAA | Lc 105.6 | Preferred for body text |
| #15051B text on black | 1.06:1 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#EFE6F2
oklch(93.5% 0.019 317.7)
-
Step 200
200
#E2D3E8
oklch(88.5% 0.033 316.4)
-
Step 300
300
#D0B5DB
oklch(80.8% 0.06 316.2)
-
Step 400
400
#B98EC9
oklch(70.8% 0.096 316.7)
-
Step 500
500
#A770BB
oklch(63% 0.124 316.7)
-
Step 600
600
#9257A7
oklch(55.5% 0.135 316.7)
-
Step 700
700
#7C4790
oklch(49.1% 0.126 316.1)
-
Step 800
800
#653B74
oklch(42.7% 0.103 316.7)
-
Step 900
900
#52335E
oklch(37.7% 0.08 316.1)
-
Step 950
950 (this color)
#15051B
oklch(15.8% 0.051 316.3)
#15051B 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) | #020A1C | 0.047 |
| Deuteranopia (no green cones) | #050C1A | 0.042 |
| Tritanopia (no blue cones) | #15080E | 0.033 |
| Achromatopsia (no color) | #0B0B0B | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15051B
#15051B
oklch(15.8% 0.051 316.3)
- #041100
#041100
oklch(15.8% 0.047 135.9)
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 #15051B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.057
- Rich Navy #001219 ΔE 0.063
- Midnight #03012D ΔE 0.066
- Very Dark Brown #1D0200 ΔE 0.066
- Very Dark Purple #2A0134 ΔE 0.071
- Midnight Purple #280137 ΔE 0.072
- Dark Navy Blue #00022E ΔE 0.072
- Dark Navy #000435 ΔE 0.076
Use #15051B 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.