#2B031B
Closest named color: Very Dark Purple (#2A0134). oklch(19.7% 0.074 348.1), rgb(43, 3, 27).
Aa
White text reads best on this color (18.55:1).
About this color
#2B031B is a very dark, moderately saturated red. In OKLCH its lightness is 20%, its chroma 0.074 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.052 away. White text reads best on it, at 18.55:1.
| Hue family | Reds |
| Lightness | very dark (20%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.13:1 |
| White text | 18.55:1 |
Values
| HEX | #2B031B |
| RGB | rgb(43, 3, 27) |
| HSL | hsl(324, 87%, 9%) |
| OKLCH | oklch(19.7% 0.074 348.1) |
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 #2B031B | 18.55:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #2B031B | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #2B031B text on white | 18.55:1 | AAA | Lc 104.6 | Preferred for body text |
| #2B031B text on black | 1.13:1 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F8E3ED
oklch(93.6% 0.026 347.1)
-
Step 200
200
#F3CDDF
oklch(88.6% 0.049 347.9)
-
Step 300
300
#ECAACA
oklch(80.9% 0.087 348.6)
-
Step 400
400
#DF7AB0
oklch(70.7% 0.14 348)
-
Step 500
500
#D3539C
oklch(63.1% 0.179 348.1)
-
Step 600
600
#BE3187
oklch(55.6% 0.195 347.9)
-
Step 700
700
#A32272
oklch(49% 0.18 348)
-
Step 800
800
#851F5D
oklch(42.7% 0.15 348.1)
-
Step 900
900
#6B214C
oklch(37.7% 0.116 348.2)
-
Step 950
950 (this color)
#2B031B
oklch(19.7% 0.074 348.1)
#2B031B 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) | #080E1C | 0.083 |
| Deuteranopia (no green cones) | #14161A | 0.073 |
| Tritanopia (no blue cones) | #2F020D | 0.030 |
| Achromatopsia (no color) | #131313 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B031B
#2B031B
oklch(19.7% 0.074 348.1)
- #001B12
#001B12
oklch(19.7% 0.04 168.3)
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 #2B031B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.052
- Dark Maroon #3C0008 ΔE 0.056
- Dark Plum #3F012C ΔE 0.058
- Midnight Purple #280137 ΔE 0.058
- Eggplant #380835 ΔE 0.059
- Aubergine #3D0734 ΔE 0.064
- Very Dark Brown #1D0200 ΔE 0.070
- Dark Purple #35063E ΔE 0.071
Use #2B031B 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.