#15091C
Closest named color: Almost Black (#070D0D). oklch(16.8% 0.042 311.8), rgb(21, 9, 28).
Aa
White text reads best on this color (19.30:1).
About this color
#15091C is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.042 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.050 away. White text reads best on it, at 19.30:1.
| Hue family | Purples |
| Lightness | very dark (17%) |
| Chroma | muted (0.042) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.08:1 |
| White text | 19.30:1 |
Values
| HEX | #15091C |
| RGB | rgb(21, 9, 28) |
| HSL | hsl(278, 51%, 7%) |
| OKLCH | oklch(16.8% 0.042 311.8) |
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 #15091C | 19.30:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #15091C | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #15091C text on white | 19.30:1 | AAA | Lc 105.5 | Preferred for body text |
| #15091C 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F1
oklch(93.6% 0.015 312.2)
-
Step 200
200
#DFD4E7
oklch(88.4% 0.028 311.3)
-
Step 300
300
#CBB8D8
oklch(80.9% 0.049 311.7)
-
Step 400
400
#B193C5
oklch(70.8% 0.079 311.5)
-
Step 500
500
#9E77B6
oklch(63.1% 0.102 312)
-
Step 600
600
#895FA2
oklch(55.6% 0.111 312)
-
Step 700
700
#744E8A
oklch(49% 0.102 312.2)
-
Step 800
800
#5E4070
oklch(42.6% 0.085 311.9)
-
Step 900
900
#4D375B
oklch(37.7% 0.066 311.5)
-
Step 950
950 (this color)
#15091C
oklch(16.8% 0.042 311.8)
#15091C 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) | #050D1D | 0.035 |
| Deuteranopia (no green cones) | #080E1B | 0.031 |
| Tritanopia (no blue cones) | #140C11 | 0.028 |
| Achromatopsia (no color) | #0E0E0E | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15091C
#15091C
oklch(16.8% 0.042 311.8)
- #081301
#081301
oklch(17% 0.043 132)
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 #15091C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.050
- Rich Navy #001219 ΔE 0.052
- Rich Black #0D1B2A ΔE 0.063
- Very Dark Brown #1D0200 ΔE 0.066
- Midnight #03012D ΔE 0.068
- Very Dark Purple #2A0134 ΔE 0.071
- Midnight Purple #280137 ΔE 0.072
- Dark Navy Blue #00022E ΔE 0.073
Use #15091C 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.