#100520
Closest named color: Midnight (#03012D). oklch(15.4% 0.057 299.4), rgb(16, 5, 32).
Aa
White text reads best on this color (19.72:1).
About this color
#100520 is a very dark, muted purple. In OKLCH its lightness is 15%, its chroma 0.057 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight (#03012D), ΔE 0.048 away. White text reads best on it, at 19.72:1.
| Hue family | Purples |
| Lightness | very dark (15%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Midnight (#03012D) |
| Black text | 1.06:1 |
| White text | 19.72:1 |
Values
| HEX | #100520 |
| RGB | rgb(16, 5, 32) |
| HSL | hsl(264, 73%, 7%) |
| OKLCH | oklch(15.4% 0.057 299.4) |
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 #100520 | 19.72:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #100520 | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #100520 text on white | 19.72:1 | AAA | Lc 105.7 | Preferred for body text |
| #100520 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F5
oklch(93.5% 0.019 299.1)
-
Step 200
200
#DCD4EF
oklch(88.5% 0.038 299.2)
-
Step 300
300
#C6B8E6
oklch(80.9% 0.066 298.9)
-
Step 400
400
#AA91DA
oklch(70.6% 0.108 299.4)
-
Step 500
500
#9674D0
oklch(63.1% 0.138 299.5)
-
Step 600
600
#815BBD
oklch(55.6% 0.149 299.4)
-
Step 700
700
#6D4AA3
oklch(49% 0.139 299.4)
-
Step 800
800
#593E84
oklch(42.8% 0.114 299.4)
-
Step 900
900
#49356A
oklch(37.7% 0.09 299.5)
-
Step 950
950 (this color)
#100520
oklch(15.4% 0.057 299.4)
#100520 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) | #000B21 | 0.040 |
| Deuteranopia (no green cones) | #000A1F | 0.041 |
| Tritanopia (no blue cones) | #0C0A11 | 0.042 |
| Achromatopsia (no color) | #0B0B0B | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100520
#100520
oklch(15.4% 0.057 299.4)
- #0A0E00
#0A0E00
oklch(15.4% 0.037 120.1)
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 #100520, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight #03012D ΔE 0.048
- Dark Navy Blue #00022E ΔE 0.056
- Dark Navy #000435 ΔE 0.059
- Almost Black #070D0D ΔE 0.060
- Rich Navy #001219 ΔE 0.060
- Very Dark Blue #000133 ΔE 0.062
- Midnight Purple #280137 ΔE 0.073
- Very Dark Purple #2A0134 ΔE 0.074
Use #100520 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.