#301D3B
Closest named color: Oxford Blue (#1B263B). oklch(27% 0.059 312.1), rgb(48, 29, 59).
Aa
White text reads best on this color (15.38:1).
About this color
#301D3B is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.059 and its hue 312°. 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 15.38:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.36:1 |
| White text | 15.38:1 |
Values
| HEX | #301D3B |
| RGB | rgb(48, 29, 59) |
| HSL | hsl(278, 34%, 17%) |
| OKLCH | oklch(27% 0.059 312.1) |
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 #301D3B | 15.38:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #301D3B | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #301D3B text on white | 15.38:1 | AAA | Lc 102.2 | Preferred for body text |
| #301D3B text on black | 1.36:1 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EEE6F4
oklch(93.5% 0.021 311.1)
-
Step 200
200
#E2D2EC
oklch(88.5% 0.039 312.6)
-
Step 300
300
#D0B4E2
oklch(80.9% 0.07 312.1)
-
Step 400
400
#B88CD3
oklch(70.7% 0.111 312)
-
Step 500
500
#A66DC7
oklch(63% 0.143 312.1)
-
Step 600
600
#9153B4
oklch(55.5% 0.156 311.9)
-
Step 700
700
#7C439B
oklch(49.1% 0.145 312.1)
-
Step 800
800
#65387D
oklch(42.7% 0.119 312.5)
-
Step 900
900
#523165
oklch(37.7% 0.093 312)
-
Step 950
950 (this color)
#301D3B
oklch(27% 0.059 312.1)
#301D3B 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) | #17243C | 0.047 |
| Deuteranopia (no green cones) | #1C253A | 0.043 |
| Tritanopia (no blue cones) | #2F2129 | 0.040 |
| Achromatopsia (no color) | #252525 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #301D3B
#301D3B
oklch(27% 0.059 312.1)
- #1B2C0B
#1B2C0B
oklch(26.9% 0.059 132.2)
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 #301D3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.049
- Eggplant #380835 ΔE 0.050
- Dark #1B2431 ΔE 0.050
- Aubergine #3D0734 ΔE 0.053
- Dark Purple #35063E ΔE 0.053
- Jet #212529 ΔE 0.056
- Eggplant Purple #430541 ΔE 0.062
Use #301D3B 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.