#100A2D
Closest named color: Dark Navy (#000435). oklch(17.9% 0.067 285.3), rgb(16, 10, 45).
Aa
White text reads best on this color (19.03:1).
About this color
#100A2D is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.067 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Navy (#000435), ΔE 0.045 away. White text reads best on it, at 19.03:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dark Navy (#000435) |
| Black text | 1.10:1 |
| White text | 19.03:1 |
Values
| HEX | #100A2D |
| RGB | rgb(16, 10, 45) |
| HSL | hsl(250, 64%, 11%) |
| OKLCH | oklch(17.9% 0.067 285.3) |
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 #100A2D | 19.03:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #100A2D | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #100A2D text on white | 19.03:1 | AAA | Lc 105.3 | Preferred for body text |
| #100A2D text on black | 1.10:1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D5D6F6
oklch(88.5% 0.044 284)
-
Step 300
300
#BBBAF3
oklch(81% 0.08 285.3)
-
Step 400
400
#9994EC
oklch(70.7% 0.127 285.3)
-
Step 500
500
#8277E6
oklch(63.1% 0.162 285.3)
-
Step 600
600
#6D5DD4
oklch(55.6% 0.176 285.3)
-
Step 700
700
#5B4CB8
oklch(49.1% 0.164 285)
-
Step 800
800
#4A3F95
oklch(42.7% 0.136 284.9)
-
Step 900
900
#3E3677
oklch(37.7% 0.107 285.7)
-
Step 950
950 (this color)
#100A2D
oklch(17.9% 0.067 285.3)
#100A2D 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) | #00112E | 0.033 |
| Deuteranopia (no green cones) | #000F2C | 0.032 |
| Tritanopia (no blue cones) | #05131A | 0.056 |
| Achromatopsia (no color) | #101010 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100A2D
#100A2D
oklch(17.9% 0.067 285.3)
- #141200
#141200
oklch(17.9% 0.038 104.7)
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 #100A2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy #000435 ΔE 0.045
- Midnight #03012D ΔE 0.047
- Dark Navy Blue #00022E ΔE 0.051
- Very Dark Blue #000133 ΔE 0.053
- Navy Blue #001146 ΔE 0.057
- Rich Black #0D1B2A ΔE 0.057
- Night Blue #040348 ΔE 0.060
- Rich Navy #001219 ΔE 0.060
Use #100A2D 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.