#100524
Closest named color: Midnight (#03012D). oklch(15.8% 0.063 295.5), rgb(16, 5, 36).
Aa
White text reads best on this color (19.64:1).
About this color
#100524 is a very dark, muted purple. In OKLCH its lightness is 16%, its chroma 0.063 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight (#03012D), ΔE 0.044 away. White text reads best on it, at 19.64:1.
| Hue family | Purples |
| Lightness | very dark (16%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Midnight (#03012D) |
| Black text | 1.06:1 |
| White text | 19.64:1 |
Values
| HEX | #100524 |
| RGB | rgb(16, 5, 36) |
| HSL | hsl(261, 76%, 8%) |
| OKLCH | oklch(15.8% 0.063 295.5) |
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 #100524 | 19.64:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #100524 | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #100524 text on white | 19.64:1 | AAA | Lc 105.6 | Preferred for body text |
| #100524 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DBD4F2
oklch(88.5% 0.041 296.2)
-
Step 300
300
#C4B8EC
oklch(81% 0.073 295.3)
-
Step 400
400
#A791E2
oklch(70.8% 0.118 295.7)
-
Step 500
500
#9273DA
oklch(63.1% 0.152 295.6)
-
Step 600
600
#7D59C7
oklch(55.5% 0.165 295.6)
-
Step 700
700
#6A49AC
oklch(49.2% 0.152 295.7)
-
Step 800
800
#563C8C
oklch(42.7% 0.128 295.5)
-
Step 900
900
#473470
oklch(37.7% 0.1 295.8)
-
Step 950
950 (this color)
#100524
oklch(15.8% 0.063 295.5)
#100524 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) | #000C25 | 0.040 |
| Deuteranopia (no green cones) | #000B23 | 0.040 |
| Tritanopia (no blue cones) | #0B0C13 | 0.049 |
| Achromatopsia (no color) | #0B0B0B | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100524
#100524
oklch(15.8% 0.063 295.5)
- #0C0F00
#0C0F00
oklch(15.9% 0.037 117.5)
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 #100524, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight #03012D ΔE 0.044
- Dark Navy Blue #00022E ΔE 0.051
- Dark Navy #000435 ΔE 0.053
- Very Dark Blue #000133 ΔE 0.056
- Rich Navy #001219 ΔE 0.062
- Almost Black #070D0D ΔE 0.065
- Midnight Purple #280137 ΔE 0.069
- Very Dark Purple #2A0134 ΔE 0.071
Use #100524 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.