#301D57
Closest named color: Dark Indigo (#1F0954). oklch(29% 0.1 294.4), rgb(48, 29, 87).
Aa
White text reads best on this color (14.59:1).
About this color
#301D57 is a dark, moderately saturated purple. In OKLCH its lightness is 29%, its chroma 0.100 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.058 away. White text reads best on it, at 14.59:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.43:1 |
| White text | 14.59:1 |
Values
| HEX | #301D57 |
| RGB | rgb(48, 29, 87) |
| HSL | hsl(260, 50%, 23%) |
| OKLCH | oklch(29% 0.1 294.4) |
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 #301D57 | 14.59:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #301D57 | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #301D57 text on white | 14.59:1 | AAA | Lc 101.1 | Preferred for body text |
| #301D57 text on black | 1.43:1 | 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
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#EBE6FF
oklch(93.6% 0.034 294.9)
-
Step 200
200
#DBD2FF
oklch(88.5% 0.062 294.3)
-
Step 300
300
#C5B3FF
oklch(80.9% 0.107 294.8)
-
Step 400
400
#A987FF
oklch(70.7% 0.172 294.7)
-
Step 500
500
#9662FF
oklch(63.1% 0.222 294.4)
-
Step 600
600
#8535F9
oklch(55.6% 0.264 294.5)
-
Step 700
700
#7123D9
oklch(49.1% 0.245 294.5)
-
Step 800
800
#5B22AF
oklch(42.6% 0.202 294.3)
-
Step 900
900
#4A258B
oklch(37.7% 0.158 294.1)
-
Step 950
950 (this color)
#301D57
oklch(29% 0.1 294.4)
#301D57 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) | #002959 | 0.065 |
| Deuteranopia (no green cones) | #002856 | 0.066 |
| Tritanopia (no blue cones) | #262A37 | 0.078 |
| Achromatopsia (no color) | #292929 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #301D57
#301D57
oklch(29% 0.1 294.4)
- #2B2F00
#2B2F00
oklch(29.1% 0.066 114.8)
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 #301D57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.058
- Midnight Blue #191970 ΔE 0.063
- Dark Purple #35063E ΔE 0.065
- Space Cadet #2B2D42 ΔE 0.066
- Marine #042E60 ΔE 0.067
- Eggplant Purple #430541 ΔE 0.070
- Deep Violet #490648 ΔE 0.070
- Deep Purple #36013F ΔE 0.070
Use #301D57 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.