#2D1D37
Closest named color: Oxford Blue (#1B263B). oklch(26.3% 0.052 311.5), rgb(45, 29, 55).
Aa
White text reads best on this color (15.64:1).
About this color
#2D1D37 is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.052 and its hue 312°. 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 15.64:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.34:1 |
| White text | 15.64:1 |
Values
| HEX | #2D1D37 |
| RGB | rgb(45, 29, 55) |
| HSL | hsl(277, 31%, 16%) |
| OKLCH | oklch(26.3% 0.052 311.5) |
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 #2D1D37 | 15.64:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #2D1D37 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #2D1D37 text on white | 15.64:1 | AAA | Lc 102.5 | Preferred for body text |
| #2D1D37 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE7F3
oklch(93.7% 0.018 311.6)
-
Step 200
200
#E1D3EA
oklch(88.5% 0.035 312.4)
-
Step 300
300
#CEB6DE
oklch(80.9% 0.061 311.8)
-
Step 400
400
#B58FCD
oklch(70.7% 0.097 311.9)
-
Step 500
500
#A272C0
oklch(63.1% 0.124 311.5)
-
Step 600
600
#8D59AD
oklch(55.6% 0.136 311.3)
-
Step 700
700
#784894
oklch(49% 0.127 311.7)
-
Step 800
800
#623C78
oklch(42.7% 0.104 311.9)
-
Step 900
900
#503461
oklch(37.8% 0.081 311.7)
-
Step 950
950 (this color)
#2D1D37
oklch(26.3% 0.052 311.5)
#2D1D37 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) | #182338 | 0.040 |
| Deuteranopia (no green cones) | #1C2436 | 0.037 |
| Tritanopia (no blue cones) | #2C2127 | 0.037 |
| Achromatopsia (no color) | #232323 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D1D37
#2D1D37
oklch(26.3% 0.052 311.5)
- #1B2A0E
#1B2A0E
oklch(26.4% 0.052 132.4)
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 #2D1D37, 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 0.042
- Jet #212529 ΔE 0.048
- Space Cadet #2B2D42 ΔE 0.050
- Eggplant #380835 ΔE 0.052
- Aubergine #3D0734 ΔE 0.057
- Dark Purple #35063E ΔE 0.057
- Rich Black #0D1B2A ΔE 0.065
Use #2D1D37 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.