#2D1F37
Closest named color: Oxford Blue (#1B263B). oklch(26.8% 0.047 310.3), rgb(45, 31, 55).
Aa
White text reads best on this color (15.41:1).
About this color
#2D1F37 is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.047 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.036 away. White text reads best on it, at 15.41:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.36:1 |
| White text | 15.41:1 |
Values
| HEX | #2D1F37 |
| RGB | rgb(45, 31, 55) |
| HSL | hsl(275, 28%, 17%) |
| OKLCH | oklch(26.8% 0.047 310.3) |
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 #2D1F37 | 15.41:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #2D1F37 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #2D1F37 text on white | 15.41:1 | AAA | Lc 102.3 | Preferred for body text |
| #2D1F37 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F2
oklch(93.6% 0.016 310.1)
-
Step 200
200
#DFD4E9
oklch(88.5% 0.031 309.1)
-
Step 300
300
#CCB7DC
oklch(80.9% 0.056 310.5)
-
Step 400
400
#B291CB
oklch(70.7% 0.09 310.1)
-
Step 500
500
#9F75BD
oklch(63.2% 0.114 310.2)
-
Step 600
600
#8A5CA9
oklch(55.6% 0.125 310.4)
-
Step 700
700
#754C91
oklch(49.2% 0.115 310.2)
-
Step 800
800
#5F3E76
oklch(42.6% 0.097 310)
-
Step 900
900
#4E355F
oklch(37.6% 0.076 310.6)
-
Step 950
950 (this color)
#2D1F37
oklch(26.8% 0.047 310.3)
#2D1F37 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) | #1A2438 | 0.036 |
| Deuteranopia (no green cones) | #1E2536 | 0.033 |
| Tritanopia (no blue cones) | #2C2228 | 0.033 |
| Achromatopsia (no color) | #252525 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D1F37
#2D1F37
oklch(26.8% 0.047 310.3)
- #1E2A11
#1E2A11
oklch(26.6% 0.046 130.1)
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 #2D1F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.036
- Dark #1B2431 ΔE 0.039
- Jet #212529 ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.044
- Eggplant #380835 ΔE 0.058
- Gunmetal #293241 ΔE 0.060
- Aubergine #3D0734 ΔE 0.062
- Dark Purple #35063E ΔE 0.063
Use #2D1F37 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.