#10051B
Closest named color: Almost Black (#070D0D). oklch(14.9% 0.049 305.3), rgb(16, 5, 27).
Aa
White text reads best on this color (19.81:1).
About this color
#10051B is a very dark, muted purple. In OKLCH its lightness is 15%, its chroma 0.049 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.053 away. White text reads best on it, at 19.81:1.
| Hue family | Purples |
| Lightness | very dark (15%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.05:1 |
| White text | 19.81:1 |
Values
| HEX | #10051B |
| RGB | rgb(16, 5, 27) |
| HSL | hsl(270, 69%, 6%) |
| OKLCH | oklch(14.9% 0.049 305.3) |
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 #10051B | 19.81:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #10051B | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #10051B text on white | 19.81:1 | AAA | Lc 105.7 | Preferred for body text |
| #10051B text on black | 1.05:1 | 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
#ECE7F3
oklch(93.5% 0.017 304.8)
-
Step 200
200
#DED4EB
oklch(88.5% 0.033 305.3)
-
Step 300
300
#C9B8DF
oklch(80.9% 0.057 304.9)
-
Step 400
400
#AE92CF
oklch(70.7% 0.092 305.1)
-
Step 500
500
#9A76C2
oklch(63.1% 0.117 305.1)
-
Step 600
600
#855DAF
oklch(55.5% 0.129 305.1)
-
Step 700
700
#714D96
oklch(49.2% 0.118 305.2)
-
Step 800
800
#5C3F7A
oklch(42.7% 0.099 305.3)
-
Step 900
900
#4B3662
oklch(37.7% 0.077 305)
-
Step 950
950 (this color)
#10051B
oklch(14.9% 0.049 305.3)
#10051B 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) | #00091C | 0.041 |
| Deuteranopia (no green cones) | #020A1A | 0.037 |
| Tritanopia (no blue cones) | #0E090E | 0.036 |
| Achromatopsia (no color) | #0A0A0A | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10051B
#10051B
oklch(14.9% 0.049 305.3)
- #070E00
#070E00
oklch(15% 0.039 127.1)
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 #10051B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.053
- Midnight #03012D ΔE 0.056
- Rich Navy #001219 ΔE 0.058
- Dark Navy Blue #00022E ΔE 0.062
- Dark Navy #000435 ΔE 0.068
- Very Dark Blue #000133 ΔE 0.070
- Very Dark Brown #1D0200 ΔE 0.072
- Rich Black #0D1B2A ΔE 0.079
Use #10051B 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.