#5C308D
Closest named color: Rebecca Purple (#663399). oklch(41.5% 0.148 302.1), rgb(92, 48, 141).
Aa
White text reads best on this color (9.28:1).
About this color
#5C308D is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.148 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.028 away. White text reads best on it, at 9.28:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.26:1 |
| White text | 9.28:1 |
Values
| HEX | #5C308D |
| RGB | rgb(92, 48, 141) |
| HSL | hsl(268, 49%, 37%) |
| OKLCH | oklch(41.5% 0.148 302.1) |
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 #5C308D | 9.28:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #5C308D | 2.26:1 | Fails | Lc 13.1 | Not readable |
| #5C308D text on white | 9.28:1 | AAA | Lc 90.9 | Preferred for body text |
| #5C308D text on black | 2.26:1 | Fails | Lc -11.4 | 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 800.
-
Step 50
50
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F8
oklch(93.6% 0.025 303.5)
-
Step 200
200
#DFD2F4
oklch(88.5% 0.048 302.8)
-
Step 300
300
#CBB4F0
oklch(81% 0.087 302)
-
Step 400
400
#B18AE8
oklch(70.7% 0.139 302.1)
-
Step 500
500
#9E6AE1
oklch(63.1% 0.176 301.7)
-
Step 600
600
#8A4DCF
oklch(55.6% 0.194 302)
-
Step 700
700
#753DB3
oklch(49.1% 0.179 301.9)
-
Step 800
800 (this color)
#5C308D
oklch(41.5% 0.148 302.1)
-
Step 900
900
#4E2E73
oklch(37.6% 0.116 302.6)
-
Step 950
950
#2D1C44
oklch(27% 0.073 301.3)
#5C308D 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) | #004690 | 0.113 |
| Deuteranopia (no green cones) | #0D478B | 0.110 |
| Tritanopia (no blue cones) | #52445A | 0.109 |
| Achromatopsia (no color) | #474747 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C308D
#5C308D
oklch(41.5% 0.148 302.1)
- #435400
#435400
oklch(41.6% 0.101 122.1)
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 #5C308D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.028
- Dark Slate Blue #483D8B ΔE 0.045
- Blueberry #464196 ΔE 0.053
- Chrysanthemum #560BAD ΔE 0.072
- Imperial Purple #480CA8 ΔE 0.081
- Indigo #4B0082 ΔE 0.082
- Twilight #4E518B ΔE 0.084
- Grape #7209B7 ΔE 0.086
Use #5C308D 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.