#291D37
Closest named color: Oxford Blue (#1B263B). oklch(25.8% 0.05 304.4), rgb(41, 29, 55).
Aa
White text reads best on this color (15.84:1).
About this color
#291D37 is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.050 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.035 away. White text reads best on it, at 15.84:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.32:1 |
| White text | 15.84:1 |
Values
| HEX | #291D37 |
| RGB | rgb(41, 29, 55) |
| HSL | hsl(268, 31%, 16%) |
| OKLCH | oklch(25.8% 0.05 304.4) |
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 #291D37 | 15.84:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #291D37 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #291D37 text on white | 15.84:1 | AAA | Lc 102.7 | Preferred for body text |
| #291D37 text on black | 1.32:1 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
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
#C9B8E0
oklch(81% 0.058 304.4)
-
Step 400
400
#AE92D1
oklch(70.8% 0.095 304.4)
-
Step 500
500
#9A76C4
oklch(63.2% 0.12 304.4)
-
Step 600
600
#855DB1
oklch(55.6% 0.132 304.5)
-
Step 700
700
#704C98
oklch(49% 0.122 304.1)
-
Step 800
800
#5C3F7B
oklch(42.8% 0.101 304.8)
-
Step 900
900
#4B3663
oklch(37.7% 0.078 304.4)
-
Step 950
950 (this color)
#291D37
oklch(25.8% 0.05 304.4)
#291D37 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) | #172238 | 0.034 |
| Deuteranopia (no green cones) | #192236 | 0.032 |
| Tritanopia (no blue cones) | #272127 | 0.037 |
| Achromatopsia (no color) | #222222 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #291D37
#291D37
oklch(25.8% 0.05 304.4)
- #1E280A
#1E280A
oklch(25.9% 0.051 125.3)
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 #291D37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.035
- Dark #1B2431 ΔE 0.037
- Jet #212529 ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.052
- Eggplant #380835 ΔE 0.056
- Rich Black #0D1B2A ΔE 0.057
- Dark Purple #35063E ΔE 0.060
- Aubergine #3D0734 ΔE 0.062
Use #291D37 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.