#291F3F
Closest named color: Oxford Blue (#1B263B). oklch(26.8% 0.059 296.6), rgb(41, 31, 63).
Aa
White text reads best on this color (15.41:1).
About this color
#291F3F is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.059 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.034 away. White text reads best on it, at 15.41:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.36:1 |
| White text | 15.41:1 |
Values
| HEX | #291F3F |
| RGB | rgb(41, 31, 63) |
| HSL | hsl(259, 34%, 18%) |
| OKLCH | oklch(26.8% 0.059 296.6) |
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 #291F3F | 15.41:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #291F3F | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #291F3F text on white | 15.41:1 | AAA | Lc 102.3 | Preferred for body text |
| #291F3F text on black | 1.36:1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DBD4F0
oklch(88.4% 0.039 297)
-
Step 300
300
#C5B8E9
oklch(81% 0.07 297)
-
Step 400
400
#A792DE
oklch(70.8% 0.111 296.2)
-
Step 500
500
#9375D5
oklch(63.2% 0.142 296.5)
-
Step 600
600
#7E5BC2
oklch(55.6% 0.155 296.7)
-
Step 700
700
#6A4AA7
oklch(49% 0.144 296.6)
-
Step 800
800
#573D88
oklch(42.7% 0.121 297)
-
Step 900
900
#47356D
oklch(37.7% 0.094 296.4)
-
Step 950
950 (this color)
#291F3F
oklch(26.8% 0.059 296.6)
#291F3F 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) | #152540 | 0.036 |
| Deuteranopia (no green cones) | #17243E | 0.033 |
| Tritanopia (no blue cones) | #24252C | 0.047 |
| Achromatopsia (no color) | #252525 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #291F3F
#291F3F
oklch(26.8% 0.059 296.6)
- #242902
#242902
oklch(26.7% 0.059 116.8)
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 #291F3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.034
- Dark #1B2431 ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.045
- Jet #212529 ΔE 0.053
- Dark Purple #35063E ΔE 0.061
- Eggplant #380835 ΔE 0.061
- Gunmetal #293241 ΔE 0.061
- Rich Black #0D1B2A ΔE 0.066
Use #291F3F 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.