#301F4B
Closest named color: Space Cadet (#2B2D42). oklch(28.5% 0.079 299.2), rgb(48, 31, 75).
Aa
White text reads best on this color (14.75:1).
About this color
#301F4B is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.079 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.049 away. White text reads best on it, at 14.75:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.42:1 |
| White text | 14.75:1 |
Values
| HEX | #301F4B |
| RGB | rgb(48, 31, 75) |
| HSL | hsl(263, 42%, 21%) |
| OKLCH | oklch(28.5% 0.079 299.2) |
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 #301F4B | 14.75:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #301F4B | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #301F4B text on white | 14.75:1 | AAA | Lc 101.4 | Preferred for body text |
| #301F4B text on black | 1.42:1 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DDD2F7
oklch(88.4% 0.052 298.9)
-
Step 300
300
#C9B3F5
oklch(80.8% 0.094 299.6)
-
Step 400
400
#AE89F0
oklch(70.6% 0.15 299.1)
-
Step 500
500
#9C67EB
oklch(63.1% 0.193 299.4)
-
Step 600
600
#874AD9
oklch(55.6% 0.208 299)
-
Step 700
700
#733ABC
oklch(49.1% 0.193 299.2)
-
Step 800
800
#5D3198
oklch(42.6% 0.16 299)
-
Step 900
900
#4C2D79
oklch(37.7% 0.125 299.1)
-
Step 950
950 (this color)
#301F4B
oklch(28.5% 0.079 299.2)
#301F4B 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) | #0E284D | 0.055 |
| Deuteranopia (no green cones) | #13284A | 0.051 |
| Tritanopia (no blue cones) | #2A2831 | 0.063 |
| Achromatopsia (no color) | #282828 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #301F4B
#301F4B
oklch(28.5% 0.079 299.2)
- #272E00
#272E00
oklch(28.4% 0.066 118.4)
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 #301F4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.049
- Oxford Blue #1B263B ΔE 0.054
- Dark Purple #35063E ΔE 0.058
- Eggplant #380835 ΔE 0.063
- Eggplant Purple #430541 ΔE 0.064
- Deep Purple #36013F ΔE 0.066
- Gunmetal #293241 ΔE 0.066
- Dark Indigo #1F0954 ΔE 0.067
Use #301F4B 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.