#291F37
Closest named color: Oxford Blue (#1B263B). oklch(26.3% 0.046 302.5), rgb(41, 31, 55).
Aa
White text reads best on this color (15.60:1).
About this color
#291F37 is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.046 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.031 away. White text reads best on it, at 15.60:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.046) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.34:1 |
| White text | 15.60:1 |
Values
| HEX | #291F37 |
| RGB | rgb(41, 31, 55) |
| HSL | hsl(265, 28%, 17%) |
| OKLCH | oklch(26.3% 0.046 302.5) |
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 #291F37 | 15.60:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #291F37 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #291F37 text on white | 15.60:1 | AAA | Lc 102.5 | Preferred for body text |
| #291F37 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE8F3
oklch(93.7% 0.015 302.5)
-
Step 200
200
#DDD5EA
oklch(88.6% 0.03 303)
-
Step 300
300
#C7B9DE
oklch(80.9% 0.054 302.4)
-
Step 400
400
#AB94CE
oklch(70.8% 0.087 302.4)
-
Step 500
500
#9778C1
oklch(63.1% 0.112 302.9)
-
Step 600
600
#8160AD
oklch(55.5% 0.12 302.4)
-
Step 700
700
#6D4F95
oklch(49.1% 0.112 302.2)
-
Step 800
800
#594179
oklch(42.7% 0.093 302.4)
-
Step 900
900
#493861
oklch(37.8% 0.071 302.2)
-
Step 950
950 (this color)
#291F37
oklch(26.3% 0.046 302.5)
#291F37 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) | #192338 | 0.030 |
| Deuteranopia (no green cones) | #1B2436 | 0.029 |
| Tritanopia (no blue cones) | #272328 | 0.035 |
| Achromatopsia (no color) | #242424 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #291F37
#291F37
oklch(26.3% 0.046 302.5)
- #21280D
#21280D
oklch(26.3% 0.046 121.7)
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 #291F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.031
- Dark #1B2431 ΔE 0.033
- Jet #212529 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.046
- Rich Black #0D1B2A ΔE 0.058
- Gunmetal #293241 ΔE 0.061
- Eggplant #380835 ΔE 0.061
- Dark Purple #35063E ΔE 0.065
Use #291F37 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.