#2B1D36
Closest named color: Oxford Blue (#1B263B). oklch(26% 0.049 309.1), rgb(43, 29, 54).
Aa
White text reads best on this color (15.76:1).
About this color
#2B1D36 is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.049 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.038 away. White text reads best on it, at 15.76:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.33:1 |
| White text | 15.76:1 |
Values
| HEX | #2B1D36 |
| RGB | rgb(43, 29, 54) |
| HSL | hsl(274, 30%, 16%) |
| OKLCH | oklch(26% 0.049 309.1) |
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 #2B1D36 | 15.76:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #2B1D36 | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #2B1D36 text on white | 15.76:1 | AAA | Lc 102.7 | Preferred for body text |
| #2B1D36 text on black | 1.33:1 | 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
#EDE7F3
oklch(93.6% 0.017 308.3)
-
Step 200
200
#DFD4EA
oklch(88.5% 0.032 308.1)
-
Step 300
300
#CCB7DE
oklch(81% 0.059 309.3)
-
Step 400
400
#B291CD
oklch(70.8% 0.093 309.2)
-
Step 500
500
#9F74C0
oklch(63.1% 0.12 309.3)
-
Step 600
600
#895CAC
oklch(55.6% 0.128 308.7)
-
Step 700
700
#754B94
oklch(49.2% 0.121 309.2)
-
Step 800
800
#5F3E78
oklch(42.7% 0.099 309)
-
Step 900
900
#4E3561
oklch(37.7% 0.078 309.2)
-
Step 950
950 (this color)
#2B1D36
oklch(26% 0.049 309.1)
#2B1D36 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) | #182237 | 0.036 |
| Deuteranopia (no green cones) | #1B2335 | 0.034 |
| Tritanopia (no blue cones) | #2A2126 | 0.037 |
| Achromatopsia (no color) | #232323 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B1D36
#2B1D36
oklch(26% 0.049 309.1)
- #1D290D
#1D290D
oklch(26.2% 0.05 128.7)
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 #2B1D36, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.038
- Dark #1B2431 ΔE 0.039
- Jet #212529 ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.051
- Eggplant #380835 ΔE 0.055
- Dark Purple #35063E ΔE 0.060
- Aubergine #3D0734 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.060
Use #2B1D36 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.