#301D43
Closest named color: Oxford Blue (#1B263B). oklch(27.5% 0.071 305.3), rgb(48, 29, 67).
Aa
White text reads best on this color (15.19:1).
About this color
#301D43 is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.071 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 0.049 away. White text reads best on it, at 15.19:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.19:1 |
Values
| HEX | #301D43 |
| RGB | rgb(48, 29, 67) |
| HSL | hsl(270, 40%, 19%) |
| OKLCH | oklch(27.5% 0.071 305.3) |
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 #301D43 | 15.19:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #301D43 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #301D43 text on white | 15.19:1 | AAA | Lc 101.9 | Preferred for body text |
| #301D43 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F7
oklch(93.5% 0.024 304.5)
-
Step 200
200
#E0D2F2
oklch(88.5% 0.046 305.2)
-
Step 300
300
#CDB3EC
oklch(80.8% 0.084 305.4)
-
Step 400
400
#B58AE3
oklch(70.8% 0.133 305.5)
-
Step 500
500
#A269DB
oklch(63% 0.172 305.1)
-
Step 600
600
#8E4DC8
oklch(55.6% 0.187 305.5)
-
Step 700
700
#793DAD
oklch(49.1% 0.174 305.5)
-
Step 800
800
#62338C
oklch(42.6% 0.144 305.4)
-
Step 900
900
#502E70
oklch(37.7% 0.112 305.4)
-
Step 950
950 (this color)
#301D43
oklch(27.5% 0.071 305.3)
#301D43 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) | #122544 | 0.053 |
| Deuteranopia (no green cones) | #172642 | 0.049 |
| Tritanopia (no blue cones) | #2D242C | 0.054 |
| Achromatopsia (no color) | #262626 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #301D43
#301D43
oklch(27.5% 0.071 305.3)
- #202D00
#202D00
oklch(27.5% 0.069 124.9)
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 #301D43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.050
- Dark Purple #35063E ΔE 0.051
- Eggplant #380835 ΔE 0.052
- Aubergine #3D0734 ΔE 0.057
- Dark #1B2431 ΔE 0.059
- Eggplant Purple #430541 ΔE 0.059
- Deep Purple #36013F ΔE 0.059
Use #301D43 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.