#100A1E
Closest named color: Rich Navy (#001219). oklch(16.5% 0.041 295.4), rgb(16, 10, 30).
Aa
White text reads best on this color (19.36:1).
About this color
#100A1E is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.041 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.044 away. White text reads best on it, at 19.36:1.
| Hue family | Purples |
| Lightness | very dark (17%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.08:1 |
| White text | 19.36:1 |
Values
| HEX | #100A1E |
| RGB | rgb(16, 10, 30) |
| HSL | hsl(258, 50%, 8%) |
| OKLCH | oklch(16.5% 0.041 295.4) |
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 #100A1E | 19.36:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #100A1E | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #100A1E text on white | 19.36:1 | AAA | Lc 105.6 | Preferred for body text |
| #100A1E 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
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#DAD6EA
oklch(88.5% 0.028 295)
-
Step 300
300
#C2BBDD
oklch(80.9% 0.048 294.7)
-
Step 400
400
#A497CC
oklch(70.7% 0.078 295.6)
-
Step 500
500
#8E7DBF
oklch(63.1% 0.099 295.3)
-
Step 600
600
#7965AC
oklch(55.6% 0.109 295.6)
-
Step 700
700
#665493
oklch(49.2% 0.1 295.7)
-
Step 800
800
#534577
oklch(42.7% 0.082 295.6)
-
Step 900
900
#443A60
oklch(37.6% 0.065 295.2)
-
Step 950
950 (this color)
#100A1E
oklch(16.5% 0.041 295.4)
#100A1E 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) | #040E1F | 0.026 |
| Deuteranopia (no green cones) | #050D1E | 0.023 |
| Tritanopia (no blue cones) | #0D0E12 | 0.033 |
| Achromatopsia (no color) | #0E0E0E | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100A1E
#100A1E
oklch(16.5% 0.041 295.4)
- #0E1000
#0E1000
oklch(16.5% 0.037 114.8)
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 #100A1E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.044
- Almost Black #070D0D ΔE 0.046
- Midnight #03012D ΔE 0.058
- Rich Black #0D1B2A ΔE 0.060
- Dark Navy Blue #00022E ΔE 0.063
- Dark Navy #000435 ΔE 0.064
- Very Dark Blue #000133 ΔE 0.069
- Very Dark Brown #1D0200 ΔE 0.074
Use #100A1E 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.