#291B2F
Closest named color: Dark (#1B2431). oklch(24.9% 0.042 315.4), rgb(41, 27, 47).
Aa
White text reads best on this color (16.25:1).
About this color
#291B2F is a very dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.042 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.037 away. White text reads best on it, at 16.25:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | muted (0.042) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.29:1 |
| White text | 16.25:1 |
Values
| HEX | #291B2F |
| RGB | rgb(41, 27, 47) |
| HSL | hsl(282, 27%, 15%) |
| OKLCH | oklch(24.9% 0.042 315.4) |
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 #291B2F | 16.25:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #291B2F | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #291B2F text on white | 16.25:1 | AAA | Lc 103.2 | Preferred for body text |
| #291B2F text on black | 1.29:1 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7F0
oklch(93.6% 0.014 318.7)
-
Step 200
200
#E0D4E6
oklch(88.5% 0.028 314.7)
-
Step 300
300
#CDB7D7
oklch(80.8% 0.05 315.3)
-
Step 400
400
#B492C3
oklch(70.8% 0.079 315.4)
-
Step 500
500
#A176B3
oklch(63.1% 0.101 315.6)
-
Step 600
600
#8C5E9F
oklch(55.6% 0.11 315.6)
-
Step 700
700
#774D88
oklch(49.1% 0.103 315.7)
-
Step 800
800
#61406E
oklch(42.8% 0.084 316)
-
Step 900
900
#4F3659
oklch(37.6% 0.066 316)
-
Step 950
950 (this color)
#291B2F
oklch(24.9% 0.042 315.4)
#291B2F 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) | #181F30 | 0.033 |
| Deuteranopia (no green cones) | #1B212E | 0.032 |
| Tritanopia (no blue cones) | #291E22 | 0.030 |
| Achromatopsia (no color) | #202020 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #291B2F
#291B2F
oklch(24.9% 0.042 315.4)
- #182611
#182611
oklch(24.9% 0.042 135.9)
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 #291B2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.037
- Jet #212529 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.042
- Rich Black #0D1B2A ΔE 0.052
- Eggplant #380835 ΔE 0.056
- Space Cadet #2B2D42 ΔE 0.061
- Aubergine #3D0734 ΔE 0.062
- Dark Purple #35063E ΔE 0.064
Use #291B2F 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.