#291C45
Closest named color: Oxford Blue (#1B263B). oklch(26.6% 0.074 295.5), rgb(41, 28, 69).
Aa
White text reads best on this color (15.59:1).
About this color
#291C45 is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.074 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.045 away. White text reads best on it, at 15.59:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.34:1 |
| White text | 15.59:1 |
Values
| HEX | #291C45 |
| RGB | rgb(41, 28, 69) |
| HSL | hsl(259, 42%, 19%) |
| OKLCH | oklch(26.6% 0.074 295.5) |
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 #291C45 | 15.59:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #291C45 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #291C45 text on white | 15.59:1 | AAA | Lc 102.4 | Preferred for body text |
| #291C45 text on black | 1.34:1 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7FA
oklch(93.7% 0.026 295.5)
-
Step 200
200
#DBD3F7
oklch(88.5% 0.05 295.5)
-
Step 300
300
#C5B6F4
oklch(81% 0.088 295.5)
-
Step 400
400
#A88DEE
oklch(70.7% 0.14 295.4)
-
Step 500
500
#946DE8
oklch(63.1% 0.179 295.4)
-
Step 600
600
#8051D6
oklch(55.6% 0.195 295.7)
-
Step 700
700
#6C40BA
oklch(49% 0.182 295.4)
-
Step 800
800
#583696
oklch(42.6% 0.15 295.7)
-
Step 900
900
#483078
oklch(37.7% 0.118 295.5)
-
Step 950
950 (this color)
#291C45
oklch(26.6% 0.074 295.5)
#291C45 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) | #0B2446 | 0.048 |
| Deuteranopia (no green cones) | #0E2344 | 0.045 |
| Tritanopia (no blue cones) | #22242D | 0.059 |
| Achromatopsia (no color) | #242424 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #291C45
#291C45
oklch(26.6% 0.074 295.5)
- #242900
#242900
oklch(26.7% 0.061 116.6)
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 #291C45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.045
- Dark Purple #35063E ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.055
- Dark #1B2431 ΔE 0.056
- Dark Indigo #1F0954 ΔE 0.057
- Eggplant #380835 ΔE 0.058
- Deep Purple #36013F ΔE 0.061
- Aubergine #3D0734 ΔE 0.065
Use #291C45 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.