#2D1B3F
Closest named color: Oxford Blue (#1B263B). oklch(26.4% 0.068 305.3), rgb(45, 27, 63).
Aa
White text reads best on this color (15.67:1).
About this color
#2D1B3F is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.068 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.047 away. White text reads best on it, at 15.67:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.34:1 |
| White text | 15.67:1 |
Values
| HEX | #2D1B3F |
| RGB | rgb(45, 27, 63) |
| HSL | hsl(270, 40%, 18%) |
| OKLCH | oklch(26.4% 0.068 305.3) |
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 #2D1B3F | 15.67:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #2D1B3F | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #2D1B3F text on white | 15.67:1 | AAA | Lc 102.5 | Preferred for body text |
| #2D1B3F 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE6F7
oklch(93.5% 0.024 304.5)
-
Step 200
200
#E0D2F1
oklch(88.5% 0.045 305.9)
-
Step 300
300
#CDB4EB
oklch(81% 0.081 305.4)
-
Step 400
400
#B48BE0
oklch(70.8% 0.128 305.6)
-
Step 500
500
#A16BD8
oklch(63.1% 0.165 305)
-
Step 600
600
#8D50C5
oklch(55.7% 0.179 305.4)
-
Step 700
700
#7840AA
oklch(49.2% 0.166 305.5)
-
Step 800
800
#61358A
oklch(42.6% 0.138 305.1)
-
Step 900
900
#4F2F6E
oklch(37.6% 0.108 305.3)
-
Step 950
950 (this color)
#2D1B3F
oklch(26.4% 0.068 305.3)
#2D1B3F 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) | #102340 | 0.052 |
| Deuteranopia (no green cones) | #15233E | 0.047 |
| Tritanopia (no blue cones) | #2A212A | 0.049 |
| Achromatopsia (no color) | #232323 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D1B3F
#2D1B3F
oklch(26.4% 0.068 305.3)
- #1D2A00
#1D2A00
oklch(26.3% 0.067 125.6)
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 #2D1B3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.047
- Dark Purple #35063E ΔE 0.047
- Eggplant #380835 ΔE 0.048
- Dark #1B2431 ΔE 0.054
- Aubergine #3D0734 ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.055
- Deep Purple #36013F ΔE 0.056
- Eggplant Purple #430541 ΔE 0.061
Use #2D1B3F 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.