#100729
Closest named color: Midnight (#03012D). oklch(16.9% 0.066 289.9), rgb(16, 7, 41).
Aa
White text reads best on this color (19.36:1).
About this color
#100729 is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.066 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight (#03012D), ΔE 0.043 away. White text reads best on it, at 19.36:1.
| Hue family | Purples |
| Lightness | very dark (17%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Midnight (#03012D) |
| Black text | 1.08:1 |
| White text | 19.36:1 |
Values
| HEX | #100729 |
| RGB | rgb(16, 7, 41) |
| HSL | hsl(256, 71%, 9%) |
| OKLCH | oklch(16.9% 0.066 289.9) |
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 #100729 | 19.36:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #100729 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #100729 text on white | 19.36:1 | AAA | Lc 105.5 | Preferred for body text |
| #100729 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D8D5F5
oklch(88.5% 0.044 289.8)
-
Step 300
300
#BFB9F0
oklch(80.9% 0.077 289.6)
-
Step 400
400
#A092E9
oklch(70.7% 0.126 290.2)
-
Step 500
500
#8A75E2
oklch(63.2% 0.159 289.9)
-
Step 600
600
#755BD0
oklch(55.7% 0.173 289.8)
-
Step 700
700
#624AB4
oklch(49.1% 0.161 289.6)
-
Step 800
800
#503D92
oklch(42.7% 0.134 289.8)
-
Step 900
900
#423574
oklch(37.7% 0.104 290)
-
Step 950
950 (this color)
#100729
oklch(16.9% 0.066 289.9)
#100729 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) | #000E2A | 0.036 |
| Deuteranopia (no green cones) | #000D28 | 0.036 |
| Tritanopia (no blue cones) | #080F16 | 0.054 |
| Achromatopsia (no color) | #0E0E0E | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100729
#100729
oklch(16.9% 0.066 289.9)
- #101000
#101000
oklch(16.8% 0.037 109.8)
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 #100729, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight #03012D ΔE 0.043
- Dark Navy #000435 ΔE 0.047
- Dark Navy Blue #00022E ΔE 0.049
- Very Dark Blue #000133 ΔE 0.052
- Rich Navy #001219 ΔE 0.061
- Midnight Purple #280137 ΔE 0.064
- Rich Black #0D1B2A ΔE 0.066
- Very Dark Purple #2A0134 ΔE 0.066
Use #100729 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.