#2D1B39
Closest named color: Oxford Blue (#1B263B). oklch(26% 0.059 310.5), rgb(45, 27, 57).
Aa
White text reads best on this color (15.82:1).
About this color
#2D1B39 is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.059 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.045 away. White text reads best on it, at 15.82:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.32:1 |
| White text | 15.82:1 |
Values
| HEX | #2D1B39 |
| RGB | rgb(45, 27, 57) |
| HSL | hsl(276, 36%, 16%) |
| OKLCH | oklch(26% 0.059 310.5) |
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 #2D1B39 | 15.82:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #2D1B39 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #2D1B39 text on white | 15.82:1 | AAA | Lc 102.7 | Preferred for body text |
| #2D1B39 text on black | 1.32:1 | 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
#EEE6F4
oklch(93.5% 0.021 311.1)
-
Step 200
200
#E1D2ED
oklch(88.4% 0.04 310.2)
-
Step 300
300
#CFB5E3
oklch(81% 0.069 310.3)
-
Step 400
400
#B68CD4
oklch(70.6% 0.112 310.4)
-
Step 500
500
#A46EC9
oklch(63.1% 0.143 310.2)
-
Step 600
600
#9054B5
oklch(55.6% 0.155 310.9)
-
Step 700
700
#7A449C
oklch(49.1% 0.144 310.5)
-
Step 800
800
#63387F
oklch(42.6% 0.121 310.2)
-
Step 900
900
#513166
oklch(37.7% 0.094 310.5)
-
Step 950
950 (this color)
#2D1B39
oklch(26% 0.059 310.5)
#2D1B39 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) | #14223A | 0.047 |
| Deuteranopia (no green cones) | #192338 | 0.043 |
| Tritanopia (no blue cones) | #2C2027 | 0.042 |
| Achromatopsia (no color) | #222222 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D1B39
#2D1B39
oklch(26% 0.059 310.5)
- #1A2A07
#1A2A07
oklch(26.2% 0.06 130.6)
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 #2D1B39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.045
- Eggplant #380835 ΔE 0.047
- Dark #1B2431 ΔE 0.048
- Dark Purple #35063E ΔE 0.050
- Aubergine #3D0734 ΔE 0.053
- Jet #212529 ΔE 0.055
- Space Cadet #2B2D42 ΔE 0.055
- Deep Purple #36013F ΔE 0.059
Use #2D1B39 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.