#100515
Closest named color: Almost Black (#070D0D). oklch(14.4% 0.039 315.1), rgb(16, 5, 21).
Aa
White text reads best on this color (19.91:1).
About this color
#100515 is a very dark, muted purple. In OKLCH its lightness is 14%, its chroma 0.039 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.046 away. White text reads best on it, at 19.91:1.
| Hue family | Purples |
| Lightness | very dark (14%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.05:1 |
| White text | 19.91:1 |
Values
| HEX | #100515 |
| RGB | rgb(16, 5, 21) |
| HSL | hsl(281, 62%, 5%) |
| OKLCH | oklch(14.4% 0.039 315.1) |
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 #100515 | 19.91:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #100515 | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #100515 text on white | 19.91:1 | AAA | Lc 105.8 | Preferred for body text |
| #100515 text on black | 1.05:1 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EDE7F0
oklch(93.5% 0.014 314.8)
-
Step 200
200
#E0D4E5
oklch(88.5% 0.026 316.1)
-
Step 300
300
#CCB8D6
oklch(80.9% 0.047 314.5)
-
Step 400
400
#B293C1
oklch(70.7% 0.074 314.6)
-
Step 500
500
#9F78B1
oklch(63.1% 0.094 314.8)
-
Step 600
600
#8A609D
oklch(55.7% 0.103 314.8)
-
Step 700
700
#754F86
oklch(49.1% 0.096 314.9)
-
Step 800
800
#5F416D
oklch(42.7% 0.079 314.5)
-
Step 900
900
#4E3758
oklch(37.7% 0.062 315.3)
-
Step 950
950 (this color)
#100515
oklch(14.4% 0.039 315.1)
#100515 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) | #030816 | 0.034 |
| Deuteranopia (no green cones) | #050915 | 0.030 |
| Tritanopia (no blue cones) | #10070B | 0.026 |
| Achromatopsia (no color) | #090909 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100515
#100515
oklch(14.4% 0.039 315.1)
- #040D01
#040D01
oklch(14.4% 0.037 135.4)
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 #100515, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.046
- Rich Navy #001219 ΔE 0.057
- Very Dark Brown #1D0200 ΔE 0.061
- Midnight #03012D ΔE 0.066
- Dark Navy Blue #00022E ΔE 0.072
- Dark Navy #000435 ΔE 0.079
- Very Dark Blue #000133 ΔE 0.080
- Rich Black #0D1B2A ΔE 0.083
Use #100515 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.