#13031B
Closest named color: Midnight (#03012D). oklch(14.9% 0.057 313.7), rgb(19, 3, 27).
Aa
White text reads best on this color (19.87:1).
About this color
#13031B is a very dark, muted purple. In OKLCH its lightness is 15%, its chroma 0.057 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight (#03012D), ΔE 0.061 away. White text reads best on it, at 19.87:1.
| Hue family | Purples |
| Lightness | very dark (15%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Midnight (#03012D) |
| Black text | 1.05:1 |
| White text | 19.87:1 |
Values
| HEX | #13031B |
| RGB | rgb(19, 3, 27) |
| HSL | hsl(280, 80%, 6%) |
| OKLCH | oklch(14.9% 0.057 313.7) |
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 #13031B | 19.87:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #13031B | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #13031B text on white | 19.87:1 | AAA | Lc 105.7 | Preferred for body text |
| #13031B 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F3
oklch(93.6% 0.02 315.7)
-
Step 200
200
#E2D2EB
oklch(88.4% 0.038 313.6)
-
Step 300
300
#D0B4E0
oklch(80.8% 0.068 313.2)
-
Step 400
400
#B98CD0
oklch(70.7% 0.108 313.9)
-
Step 500
500
#A76EC3
oklch(63.1% 0.137 313.8)
-
Step 600
600
#9254AF
oklch(55.5% 0.149 314)
-
Step 700
700
#7C4497
oklch(49% 0.139 313.6)
-
Step 800
800
#65397A
oklch(42.7% 0.114 313.8)
-
Step 900
900
#523162
oklch(37.5% 0.089 313.8)
-
Step 950
950 (this color)
#13031B
oklch(14.9% 0.057 313.7)
#13031B 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) | #00081C | 0.052 |
| Deuteranopia (no green cones) | #020A1A | 0.048 |
| Tritanopia (no blue cones) | #12060D | 0.036 |
| Achromatopsia (no color) | #090909 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13031B
#13031B
oklch(14.9% 0.057 313.7)
- #040E00
#040E00
oklch(14.7% 0.042 134)
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 #13031B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight #03012D ΔE 0.061
- Almost Black #070D0D ΔE 0.062
- Rich Navy #001219 ΔE 0.068
- Dark Navy Blue #00022E ΔE 0.068
- Very Dark Brown #1D0200 ΔE 0.072
- Dark Navy #000435 ΔE 0.074
- Very Dark Purple #2A0134 ΔE 0.075
- Midnight Purple #280137 ΔE 0.075
Use #13031B 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.