#10091D
Closest named color: Almost Black (#070D0D). oklch(16.2% 0.042 297.8), rgb(16, 9, 29).
Aa
White text reads best on this color (19.46:1).
About this color
#10091D is a very dark, muted purple. In OKLCH its lightness is 16%, its chroma 0.042 and its hue 298°. 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 19.46:1.
| Hue family | Purples |
| Lightness | very dark (16%) |
| Chroma | muted (0.042) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.07:1 |
| White text | 19.46:1 |
Values
| HEX | #10091D |
| RGB | rgb(16, 9, 29) |
| HSL | hsl(261, 53%, 7%) |
| OKLCH | oklch(16.2% 0.042 297.8) |
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 #10091D | 19.46:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #10091D | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #10091D text on white | 19.46:1 | AAA | Lc 105.6 | Preferred for body text |
| #10091D text on black | 1.07:1 | 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
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EBE8F2
oklch(93.6% 0.014 299.8)
-
Step 200
200
#DBD6E9
oklch(88.6% 0.026 297.9)
-
Step 300
300
#C4BADD
oklch(80.8% 0.05 298.3)
-
Step 400
400
#A696CC
oklch(70.6% 0.079 297.9)
-
Step 500
500
#917CBF
oklch(63.2% 0.101 297.9)
-
Step 600
600
#7B64AB
oklch(55.6% 0.11 297.6)
-
Step 700
700
#685393
oklch(49.2% 0.102 297.7)
-
Step 800
800
#554477
oklch(42.7% 0.084 298.1)
-
Step 900
900
#463A60
oklch(37.8% 0.065 297.8)
-
Step 950
950 (this color)
#10091D
oklch(16.2% 0.042 297.8)
#10091D 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) | #040D1E | 0.027 |
| Deuteranopia (no green cones) | #050D1D | 0.025 |
| Tritanopia (no blue cones) | #0D0D11 | 0.033 |
| Achromatopsia (no color) | #0D0D0D | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10091D
#10091D
oklch(16.2% 0.042 297.8)
- #0C1000
#0C1000
oklch(16.3% 0.038 119.5)
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 #10091D, 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 0.046
- Midnight #03012D ΔE 0.058
- Dark Navy Blue #00022E ΔE 0.063
- Rich Black #0D1B2A ΔE 0.064
- Dark Navy #000435 ΔE 0.065
- Very Dark Blue #000133 ΔE 0.069
- Very Dark Brown #1D0200 ΔE 0.073
Use #10091D 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.