#2D1F3B
Closest named color: Oxford Blue (#1B263B). oklch(27% 0.054 306.2), rgb(45, 31, 59).
Aa
White text reads best on this color (15.32:1).
About this color
#2D1F3B is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.054 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.037 away. White text reads best on it, at 15.32:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.37:1 |
| White text | 15.32:1 |
Values
| HEX | #2D1F3B |
| RGB | rgb(45, 31, 59) |
| HSL | hsl(270, 31%, 18%) |
| OKLCH | oklch(27% 0.054 306.2) |
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 #2D1F3B | 15.32:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #2D1F3B | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #2D1F3B text on white | 15.32:1 | AAA | Lc 102.2 | Preferred for body text |
| #2D1F3B text on black | 1.37:1 | 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
#EDE7F4
oklch(93.6% 0.018 306.7)
-
Step 200
200
#DFD4EC
oklch(88.6% 0.035 306.3)
-
Step 300
300
#CBB7E2
oklch(81% 0.063 306.1)
-
Step 400
400
#B090D3
oklch(70.7% 0.101 305.8)
-
Step 500
500
#9D73C7
oklch(63.1% 0.13 306.1)
-
Step 600
600
#885AB4
oklch(55.6% 0.141 305.9)
-
Step 700
700
#73499A
oklch(49% 0.131 306.1)
-
Step 800
800
#5E3D7D
oklch(42.8% 0.108 306.2)
-
Step 900
900
#4D3465
oklch(37.7% 0.086 306.3)
-
Step 950
950 (this color)
#2D1F3B
oklch(27% 0.054 306.2)
#2D1F3B 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) | #19253C | 0.038 |
| Deuteranopia (no green cones) | #1C253A | 0.035 |
| Tritanopia (no blue cones) | #2B232A | 0.038 |
| Achromatopsia (no color) | #252525 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D1F3B
#2D1F3B
oklch(27% 0.054 306.2)
- #202B0B
#202B0B
oklch(27% 0.054 125.8)
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 #2D1F3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.037
- Dark #1B2431 ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.043
- Jet #212529 ΔE 0.050
- Eggplant #380835 ΔE 0.057
- Gunmetal #293241 ΔE 0.060
- Dark Purple #35063E ΔE 0.060
- Aubergine #3D0734 ΔE 0.061
Use #2D1F3B 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.