#5A298B
Closest named color: Rebecca Purple (#663399). oklch(40.2% 0.155 302.8), rgb(90, 41, 139).
Aa
White text reads best on this color (9.88:1).
About this color
#5A298B is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.155 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.039 away. White text reads best on it, at 9.88:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.12:1 |
| White text | 9.88:1 |
Values
| HEX | #5A298B |
| RGB | rgb(90, 41, 139) |
| HSL | hsl(270, 54%, 35%) |
| OKLCH | oklch(40.2% 0.155 302.8) |
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 #5A298B | 9.88:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #5A298B | 2.12:1 | Fails | Lc 11.7 | Not readable |
| #5A298B text on white | 9.88:1 | AAA | Lc 92.3 | Preferred for body text |
| #5A298B text on black | 2.12:1 | Fails | Lc -10.1 | 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
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EEE5FD
oklch(93.6% 0.033 302.7)
-
Step 200
200
#E1CFFD
oklch(88.4% 0.065 302.9)
-
Step 300
300
#CFAEFF
oklch(80.8% 0.117 302.6)
-
Step 400
400
#B87FFF
oklch(70.8% 0.186 302.5)
-
Step 500
500
#A855FC
oklch(63% 0.238 302.9)
-
Step 600
600
#942EEB
oklch(55.5% 0.258 302.8)
-
Step 700
700
#7F1BCD
oklch(49.1% 0.241 302.9)
-
Step 800
800
#671CA6
oklch(42.7% 0.2 302.9)
-
Step 900
900 (this color)
#5A298B
oklch(40.2% 0.155 302.8)
-
Step 950
950
#31154D
oklch(27% 0.099 303.3)
#5A298B 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) | #00428E | 0.116 |
| Deuteranopia (no green cones) | #004389 | 0.117 |
| Tritanopia (no blue cones) | #504057 | 0.114 |
| Achromatopsia (no color) | #434343 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A298B
#5A298B
oklch(40.2% 0.155 302.8)
- #3F5000
#3F5000
oklch(40.2% 0.098 122.6)
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 #5A298B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.039
- Dark Slate Blue #483D8B ΔE 0.052
- Blueberry #464196 ΔE 0.063
- Chrysanthemum #560BAD ΔE 0.066
- Indigo #4B0082 ΔE 0.067
- Imperial Purple #480CA8 ΔE 0.073
- Royal Purple #4B006E ΔE 0.085
- Grape #7209B7 ΔE 0.086
Use #5A298B 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.