#100F22
Closest named color: Rich Navy (#001219). oklch(18.1% 0.038 284.3), rgb(16, 15, 34).
Aa
White text reads best on this color (18.86:1).
About this color
#100F22 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.038 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.038 away. White text reads best on it, at 18.86:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.11:1 |
| White text | 18.86:1 |
Values
| HEX | #100F22 |
| RGB | rgb(16, 15, 34) |
| HSL | hsl(243, 39%, 10%) |
| OKLCH | oklch(18.1% 0.038 284.3) |
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 #100F22 | 18.86:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #100F22 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #100F22 text on white | 18.86:1 | AAA | Lc 105.3 | Preferred for body text |
| #100F22 text on black | 1.11:1 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D7D7EA
oklch(88.5% 0.026 285.9)
-
Step 300
300
#BCBDDE
oklch(80.8% 0.046 283.9)
-
Step 400
400
#9B9BCD
oklch(70.8% 0.073 284.4)
-
Step 500
500
#8382C0
oklch(63.2% 0.092 284.2)
-
Step 600
600
#6D6AAC
oklch(55.6% 0.101 284.7)
-
Step 700
700
#5B5894
oklch(49% 0.095 284.6)
-
Step 800
800
#4A4878
oklch(42.6% 0.079 284.4)
-
Step 900
900
#3E3D61
oklch(37.8% 0.061 284.4)
-
Step 950
950 (this color)
#100F22
oklch(18.1% 0.038 284.3)
#100F22 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) | #081223 | 0.016 |
| Deuteranopia (no green cones) | #081122 | 0.015 |
| Tritanopia (no blue cones) | #0B1316 | 0.034 |
| Achromatopsia (no color) | #111111 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100F22
#100F22
oklch(18.1% 0.038 284.3)
- #151200
#151200
oklch(18% 0.038 102.1)
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 #100F22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.038
- Rich Black #0D1B2A ΔE 0.042
- Almost Black #070D0D ΔE 0.049
- Midnight #03012D ΔE 0.064
- Dark Navy #000435 ΔE 0.065
- Dark Navy Blue #00022E ΔE 0.067
- Very Dark Blue #000133 ΔE 0.072
- Navy Blue #001146 ΔE 0.074
Use #100F22 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.