#1C031B
Closest named color: Very Dark Purple (#2A0134). oklch(16.6% 0.062 329.5), rgb(28, 3, 27).
Aa
White text reads best on this color (19.47:1).
About this color
#1C031B is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.062 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.059 away. White text reads best on it, at 19.47:1.
| Hue family | Purples |
| Lightness | very dark (17%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.07:1 |
| White text | 19.47:1 |
Values
| HEX | #1C031B |
| RGB | rgb(28, 3, 27) |
| HSL | hsl(302, 81%, 6%) |
| OKLCH | oklch(16.6% 0.062 329.5) |
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 #1C031B | 19.47:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #1C031B | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #1C031B text on white | 19.47:1 | AAA | Lc 105.4 | Preferred for body text |
| #1C031B text on black | 1.07:1 | 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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F2E5F1
oklch(93.6% 0.021 328.1)
-
Step 200
200
#E9D0E6
oklch(88.5% 0.04 329.8)
-
Step 300
300
#DCB0D8
oklch(80.9% 0.074 329.2)
-
Step 400
400
#C985C4
oklch(70.7% 0.117 329.3)
-
Step 500
500
#BA64B5
oklch(63.1% 0.151 329.3)
-
Step 600
600
#A549A1
oklch(55.6% 0.163 329.2)
-
Step 700
700
#8D3989
oklch(49% 0.152 329.5)
-
Step 800
800
#733070
oklch(42.7% 0.127 329.3)
-
Step 900
900
#5D2C5A
oklch(37.7% 0.097 329.6)
-
Step 950
950 (this color)
#1C031B
oklch(16.6% 0.062 329.5)
#1C031B 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) | #020A1C | 0.065 |
| Deuteranopia (no green cones) | #080E1A | 0.057 |
| Tritanopia (no blue cones) | #1D050D | 0.033 |
| Achromatopsia (no color) | #0D0D0D | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C031B
#1C031B
oklch(16.6% 0.062 329.5)
- #001404
#001404
oklch(16.7% 0.047 149.3)
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 #1C031B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.059
- Midnight Purple #280137 ΔE 0.062
- Very Dark Brown #1D0200 ΔE 0.064
- Almost Black #070D0D ΔE 0.070
- Rich Navy #001219 ΔE 0.077
- Midnight #03012D ΔE 0.080
- Rich Black #0D1B2A ΔE 0.083
- Eggplant #380835 ΔE 0.087
Use #1C031B 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.