#291C3F
Closest named color: Oxford Blue (#1B263B). oklch(26.1% 0.065 299), rgb(41, 28, 63).
Aa
White text reads best on this color (15.76:1).
About this color
#291C3F is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.065 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.040 away. White text reads best on it, at 15.76:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.33:1 |
| White text | 15.76:1 |
Values
| HEX | #291C3F |
| RGB | rgb(41, 28, 63) |
| HSL | hsl(262, 38%, 18%) |
| OKLCH | oklch(26.1% 0.065 299) |
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 #291C3F | 15.76:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #291C3F | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #291C3F text on white | 15.76:1 | AAA | Lc 102.6 | Preferred for body text |
| #291C3F text on black | 1.33:1 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DDD3F2
oklch(88.4% 0.043 300.2)
-
Step 300
300
#C7B6EC
oklch(80.9% 0.077 299.1)
-
Step 400
400
#AB8FE2
oklch(70.7% 0.122 298.8)
-
Step 500
500
#9870DA
oklch(63.1% 0.157 299.3)
-
Step 600
600
#8356C7
oklch(55.6% 0.17 299.2)
-
Step 700
700
#6F45AC
oklch(49.1% 0.159 299.3)
-
Step 800
800
#5A3A8B
oklch(42.7% 0.13 299)
-
Step 900
900
#4A3370
oklch(37.9% 0.102 298.8)
-
Step 950
950 (this color)
#291C3F
oklch(26.1% 0.065 299)
#291C3F 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) | #112340 | 0.043 |
| Deuteranopia (no green cones) | #14223E | 0.039 |
| Tritanopia (no blue cones) | #24232A | 0.052 |
| Achromatopsia (no color) | #232323 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #291C3F
#291C3F
oklch(26.1% 0.065 299)
- #212800
#212800
oklch(26.1% 0.061 119.3)
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 #291C3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.040
- Dark #1B2431 ΔE 0.048
- Dark Purple #35063E ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.054
- Eggplant #380835 ΔE 0.055
- Jet #212529 ΔE 0.059
- Aubergine #3D0734 ΔE 0.062
- Deep Purple #36013F ΔE 0.062
Use #291C3F 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.