#100618
Closest named color: Almost Black (#070D0D). oklch(15% 0.041 308.6), rgb(16, 6, 24).
Aa
White text reads best on this color (19.78:1).
About this color
#100618 is a very dark, muted purple. In OKLCH its lightness is 15%, its chroma 0.041 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.046 away. White text reads best on it, at 19.78:1.
| Hue family | Purples |
| Lightness | very dark (15%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.06:1 |
| White text | 19.78:1 |
Values
| HEX | #100618 |
| RGB | rgb(16, 6, 24) |
| HSL | hsl(273, 60%, 6%) |
| OKLCH | oklch(15% 0.041 308.6) |
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 #100618 | 19.78:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #100618 | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #100618 text on white | 19.78:1 | AAA | Lc 105.8 | Preferred for body text |
| #100618 text on black | 1.06:1 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#ECE7F1
oklch(93.5% 0.014 308.3)
-
Step 200
200
#DED5E7
oklch(88.6% 0.026 308.1)
-
Step 300
300
#C9B9D9
oklch(80.9% 0.048 307.8)
-
Step 400
400
#AE94C6
oklch(70.7% 0.077 308.1)
-
Step 500
500
#9B79B7
oklch(63.2% 0.098 308.9)
-
Step 600
600
#8561A3
oklch(55.6% 0.107 308.4)
-
Step 700
700
#71508C
oklch(49.2% 0.1 308.4)
-
Step 800
800
#5C4271
oklch(42.8% 0.081 308.7)
-
Step 900
900
#4B385C
oklch(37.7% 0.064 307.8)
-
Step 950
950 (this color)
#100618
oklch(15% 0.041 308.6)
#100618 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) | #030A19 | 0.033 |
| Deuteranopia (no green cones) | #050A18 | 0.028 |
| Tritanopia (no blue cones) | #0F090D | 0.030 |
| Achromatopsia (no color) | #0A0A0A | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100618
#100618
oklch(15% 0.041 308.6)
- #060E00
#060E00
oklch(14.9% 0.04 129.4)
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 #100618, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.046
- Rich Navy #001219 ΔE 0.053
- Midnight #03012D ΔE 0.062
- Very Dark Brown #1D0200 ΔE 0.065
- Dark Navy Blue #00022E ΔE 0.067
- Dark Navy #000435 ΔE 0.073
- Very Dark Blue #000133 ΔE 0.075
- Rich Black #0D1B2A ΔE 0.077
Use #100618 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.