#100319
Closest named color: Midnight (#03012D). oklch(14.1% 0.052 310.4), rgb(16, 3, 25).
Aa
White text reads best on this color (20.01:1).
About this color
#100319 is a very dark, muted purple. In OKLCH its lightness is 14%, its chroma 0.052 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight (#03012D), ΔE 0.058 away. White text reads best on it, at 20.01:1.
| Hue family | Purples |
| Lightness | very dark (14%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Midnight (#03012D) |
| Black text | 1.04:1 |
| White text | 20.01:1 |
Values
| HEX | #100319 |
| RGB | rgb(16, 3, 25) |
| HSL | hsl(275, 79%, 5%) |
| OKLCH | oklch(14.1% 0.052 310.4) |
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 #100319 | 20.01:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #100319 | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #100319 text on white | 20.01:1 | AAA | Lc 105.8 | Preferred for body text |
| #100319 text on black | 1.04:1 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE7F3
oklch(93.7% 0.018 311.6)
-
Step 200
200
#E0D3EB
oklch(88.5% 0.035 309.7)
-
Step 300
300
#CDB6DF
oklch(80.9% 0.062 310.2)
-
Step 400
400
#B48FCF
oklch(70.7% 0.1 310.3)
-
Step 500
500
#A172C2
oklch(63.1% 0.126 310.2)
-
Step 600
600
#8C59AE
oklch(55.6% 0.137 310.3)
-
Step 700
700
#774896
oklch(49% 0.129 310.3)
-
Step 800
800
#613C7A
oklch(42.7% 0.106 310.2)
-
Step 900
900
#4F3462
oklch(37.7% 0.082 310)
-
Step 950
950 (this color)
#100319
oklch(14.1% 0.052 310.4)
#100319 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) | #00071A | 0.046 |
| Deuteranopia (no green cones) | #020818 | 0.041 |
| Tritanopia (no blue cones) | #0F060C | 0.035 |
| Achromatopsia (no color) | #080808 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100319
#100319
oklch(14.1% 0.052 310.4)
- #050C00
#050C00
oklch(14.1% 0.038 129.5)
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 #100319, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight #03012D ΔE 0.058
- Almost Black #070D0D ΔE 0.058
- Dark Navy Blue #00022E ΔE 0.066
- Rich Navy #001219 ΔE 0.066
- Very Dark Brown #1D0200 ΔE 0.072
- Dark Navy #000435 ΔE 0.073
- Very Dark Blue #000133 ΔE 0.073
- Midnight Purple #280137 ΔE 0.084
Use #100319 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.