#5F2A78
Closest named color: Rebecca Purple (#663399). oklch(39.5% 0.134 313.3), rgb(95, 42, 120).
Aa
White text reads best on this color (10.05:1).
About this color
#5F2A78 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.134 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.058 away. White text reads best on it, at 10.05:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #5F2A78 |
| RGB | rgb(95, 42, 120) |
| HSL | hsl(281, 48%, 32%) |
| OKLCH | oklch(39.5% 0.134 313.3) |
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 #5F2A78 | 10.05:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #5F2A78 | 2.08:1 | Fails | Lc 11.1 | Not readable |
| #5F2A78 text on white | 10.05:1 | AAA | Lc 92.8 | Preferred for body text |
| #5F2A78 text on black | 2.08:1 | Fails | Lc -9.7 | 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 900.
-
Step 50
50
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F1E5F8
oklch(93.7% 0.028 313.4)
-
Step 200
200
#E6CFF4
oklch(88.5% 0.056 312.8)
-
Step 300
300
#D8AEEF
oklch(81% 0.1 313.4)
-
Step 400
400
#C37FE7
oklch(70.6% 0.162 313)
-
Step 500
500
#B45ADF
oklch(63.2% 0.205 313.3)
-
Step 600
600
#9F38CD
oklch(55.5% 0.224 313)
-
Step 700
700
#8829B1
oklch(49.1% 0.207 313.1)
-
Step 800
800
#6F248F
oklch(42.7% 0.172 313.5)
-
Step 900
900 (this color)
#5F2A78
oklch(39.5% 0.134 313.3)
-
Step 950
950
#351743
oklch(27.1% 0.084 313.7)
#5F2A78 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) | #0B3F7A | 0.123 |
| Deuteranopia (no green cones) | #264376 | 0.107 |
| Tritanopia (no blue cones) | #5D394D | 0.090 |
| Achromatopsia (no color) | #424242 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F2A78
#5F2A78
oklch(39.5% 0.134 313.3)
- #2C5200
#2C5200
oklch(39.5% 0.112 133.2)
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 #5F2A78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.064
- Grape Purple #5D1451 ΔE 0.074
- Purple #800080 ΔE 0.077
- Indigo #4B0082 ΔE 0.079
- Rich Purple #720058 ΔE 0.080
- Blueberry #464196 ΔE 0.080
- Royal Purple #4B006E ΔE 0.082
Use #5F2A78 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.