#553595
Closest named color: Rebecca Purple (#663399). oklch(42.1% 0.15 294.4), rgb(85, 53, 149).
Aa
White text reads best on this color (9.01:1).
About this color
#553595 is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.150 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.033 away. White text reads best on it, at 9.01:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.32:1 |
| White text | 9.01:1 |
Values
| HEX | #553595 |
| RGB | rgb(85, 53, 149) |
| HSL | hsl(260, 48%, 40%) |
| OKLCH | oklch(42.1% 0.15 294.4) |
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 #553595 | 9.01:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #553595 | 2.32:1 | Fails | Lc 13.7 | Not readable |
| #553595 text on white | 9.01:1 | AAA | Lc 90.3 | Preferred for body text |
| #553595 text on black | 2.32:1 | Fails | Lc -12.0 | 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 800.
-
Step 50
50
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EAE7FA
oklch(93.6% 0.026 293.1)
-
Step 200
200
#DAD4F7
oklch(88.6% 0.048 293.3)
-
Step 300
300
#C4B6F4
oklch(80.9% 0.088 294.7)
-
Step 400
400
#A78DEF
oklch(70.7% 0.142 294.7)
-
Step 500
500
#926EE9
oklch(63.1% 0.179 294.2)
-
Step 600
600
#7E52D7
oklch(55.6% 0.195 294.4)
-
Step 700
700
#6B41BB
oklch(49.1% 0.182 294.6)
-
Step 800
800 (this color)
#553595
oklch(42.1% 0.15 294.4)
-
Step 900
900
#473178
oklch(37.7% 0.116 294.4)
-
Step 950
950
#291D46
oklch(26.9% 0.074 294.4)
#553595 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) | #004A98 | 0.097 |
| Deuteranopia (no green cones) | #004793 | 0.096 |
| Tritanopia (no blue cones) | #444B60 | 0.118 |
| Achromatopsia (no color) | #494949 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #553595
#553595
oklch(42.1% 0.15 294.4)
- #4D5300
#4D5300
oklch(42.2% 0.095 114.5)
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 #553595, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.033
- Dark Slate Blue #483D8B ΔE 0.033
- Blueberry #464196 ΔE 0.036
- Chrysanthemum #560BAD ΔE 0.067
- Imperial Purple #480CA8 ΔE 0.073
- Twilight #4E518B ΔE 0.075
- Blue With A Hint Of Purple #533CC6 ΔE 0.080
- Cobalt #1E488F ΔE 0.085
Use #553595 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.