#301B51
Closest named color: Dark Purple (#35063E). oklch(28.2% 0.095 298), rgb(48, 27, 81).
Aa
White text reads best on this color (14.98:1).
About this color
#301B51 is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.095 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.055 away. White text reads best on it, at 14.98:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.40:1 |
| White text | 14.98:1 |
Values
| HEX | #301B51 |
| RGB | rgb(48, 27, 81) |
| HSL | hsl(263, 50%, 21%) |
| OKLCH | oklch(28.2% 0.095 298) |
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 #301B51 | 14.98:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #301B51 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #301B51 text on white | 14.98:1 | AAA | Lc 101.6 | Preferred for body text |
| #301B51 text on black | 1.40:1 | 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
#F6F3FF
oklch(97% 0.016 297.5)
-
Step 100
100
#ECE6FD
oklch(93.6% 0.031 297.7)
-
Step 200
200
#DED1FE
oklch(88.6% 0.063 298.3)
-
Step 300
300
#C9B1FF
oklch(80.9% 0.111 298)
-
Step 400
400
#AF84FF
oklch(70.7% 0.177 297.9)
-
Step 500
500
#9E5DFF
oklch(63.2% 0.229 297.9)
-
Step 600
600
#8A39EE
oklch(55.6% 0.25 297.9)
-
Step 700
700
#7628CF
oklch(49.2% 0.232 298.1)
-
Step 800
800
#5F25A7
oklch(42.7% 0.191 297.8)
-
Step 900
900
#4D2685
oklch(37.7% 0.15 297.5)
-
Step 950
950 (this color)
#301B51
oklch(28.2% 0.095 298)
#301B51 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) | #002753 | 0.068 |
| Deuteranopia (no green cones) | #052650 | 0.065 |
| Tritanopia (no blue cones) | #282733 | 0.073 |
| Achromatopsia (no color) | #272727 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #301B51
#301B51
oklch(28.2% 0.095 298)
- #272D00
#272D00
oklch(28.1% 0.065 117.3)
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 #301B51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.055
- Dark Indigo #1F0954 ΔE 0.056
- Deep Purple #36013F ΔE 0.061
- Eggplant Purple #430541 ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.064
- Eggplant #380835 ΔE 0.065
- Deep Violet #490648 ΔE 0.065
- Oxford Blue #1B263B ΔE 0.066
Use #301B51 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.