#2D1F43
Closest named color: Oxford Blue (#1B263B). oklch(27.5% 0.066 300), rgb(45, 31, 67).
Aa
White text reads best on this color (15.12:1).
About this color
#2D1F43 is a dark, muted purple. In OKLCH its lightness is 28%, its chroma 0.066 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.042 away. White text reads best on it, at 15.12:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.12:1 |
Values
| HEX | #2D1F43 |
| RGB | rgb(45, 31, 67) |
| HSL | hsl(263, 37%, 19%) |
| OKLCH | oklch(27.5% 0.066 300) |
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 #2D1F43 | 15.12:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #2D1F43 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #2D1F43 text on white | 15.12:1 | AAA | Lc 101.9 | Preferred for body text |
| #2D1F43 text on black | 1.38:1 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DDD3F2
oklch(88.4% 0.043 300.2)
-
Step 300
300
#C8B6EC
oklch(81% 0.077 299.9)
-
Step 400
400
#AD8EE3
oklch(70.8% 0.125 300)
-
Step 500
500
#996FDB
oklch(63.1% 0.16 299.8)
-
Step 600
600
#8554C8
oklch(55.6% 0.174 300.3)
-
Step 700
700
#7044AD
oklch(49.1% 0.162 299.7)
-
Step 800
800
#5B398C
oklch(42.7% 0.133 299.6)
-
Step 900
900
#4B3270
oklch(37.8% 0.104 300.1)
-
Step 950
950 (this color)
#2D1F43
oklch(27.5% 0.066 300)
#2D1F43 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) | #142644 | 0.044 |
| Deuteranopia (no green cones) | #172642 | 0.041 |
| Tritanopia (no blue cones) | #29262D | 0.053 |
| Achromatopsia (no color) | #262626 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D1F43
#2D1F43
oklch(27.5% 0.066 300)
- #242C00
#242C00
oklch(27.6% 0.065 119.8)
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 #2D1F43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.045
- Dark #1B2431 ΔE 0.052
- Dark Purple #35063E ΔE 0.057
- Eggplant #380835 ΔE 0.059
- Gunmetal #293241 ΔE 0.062
- Jet #212529 ΔE 0.062
- Aubergine #3D0734 ΔE 0.063
Use #2D1F43 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.