#10091F
Closest named color: Rich Navy (#001219). oklch(16.4% 0.045 295.7), rgb(16, 9, 31).
Aa
White text reads best on this color (19.42:1).
About this color
#10091F is a very dark, muted purple. In OKLCH its lightness is 16%, its chroma 0.045 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.047 away. White text reads best on it, at 19.42:1.
| Hue family | Purples |
| Lightness | very dark (16%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.08:1 |
| White text | 19.42:1 |
Values
| HEX | #10091F |
| RGB | rgb(16, 9, 31) |
| HSL | hsl(259, 55%, 8%) |
| OKLCH | oklch(16.4% 0.045 295.7) |
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 #10091F | 19.42:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #10091F | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #10091F text on white | 19.42:1 | AAA | Lc 105.6 | Preferred for body text |
| #10091F 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
#F6F5FA
oklch(97.2% 0.007 295.5)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#DAD6EB
oklch(88.6% 0.029 294.5)
-
Step 300
300
#C3BAE0
oklch(80.9% 0.054 296)
-
Step 400
400
#A596D0
oklch(70.7% 0.085 296)
-
Step 500
500
#8F7BC4
oklch(63.1% 0.109 295.7)
-
Step 600
600
#7A63B1
oklch(55.6% 0.12 295.9)
-
Step 700
700
#675298
oklch(49.2% 0.11 295.9)
-
Step 800
800
#54437B
oklch(42.7% 0.092 296.3)
-
Step 900
900
#453963
oklch(37.7% 0.071 295.9)
-
Step 950
950 (this color)
#10091F
oklch(16.4% 0.045 295.7)
#10091F 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) | #030D20 | 0.028 |
| Deuteranopia (no green cones) | #040D1E | 0.027 |
| Tritanopia (no blue cones) | #0C0D12 | 0.035 |
| Achromatopsia (no color) | #0D0D0D | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10091F
#10091F
oklch(16.4% 0.045 295.7)
- #0D1000
#0D1000
oklch(16.4% 0.038 117.2)
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 #10091F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.047
- Almost Black #070D0D ΔE 0.049
- Midnight #03012D ΔE 0.055
- Dark Navy Blue #00022E ΔE 0.060
- Dark Navy #000435 ΔE 0.062
- Rich Black #0D1B2A ΔE 0.063
- Very Dark Blue #000133 ΔE 0.066
- Midnight Purple #280137 ΔE 0.075
Use #10091F 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.