#5331A4
Closest named color: Rebecca Purple (#663399). oklch(42.5% 0.174 290.6), rgb(83, 49, 164).
Aa
White text reads best on this color (8.96:1).
About this color
#5331A4 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.174 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.042 away. White text reads best on it, at 8.96:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.34:1 |
| White text | 8.96:1 |
Values
| HEX | #5331A4 |
| RGB | rgb(83, 49, 164) |
| HSL | hsl(258, 54%, 42%) |
| OKLCH | oklch(42.5% 0.174 290.6) |
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 #5331A4 | 8.96:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #5331A4 | 2.34:1 | Fails | Lc 14.1 | Not readable |
| #5331A4 text on white | 8.96:1 | AAA | Lc 89.9 | Fine for body text |
| #5331A4 text on black | 2.34:1 | Fails | Lc -12.3 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FD
oklch(93.6% 0.03 290)
-
Step 200
200
#D8D3FD
oklch(88.4% 0.058 290.6)
-
Step 300
300
#C0B5FE
oklch(80.8% 0.102 290.8)
-
Step 400
400
#A28BFD
oklch(70.6% 0.163 290.9)
-
Step 500
500
#8D69FB
oklch(63% 0.208 290.5)
-
Step 600
600
#794BEA
oklch(55.6% 0.225 290.4)
-
Step 700
700
#673ACC
oklch(49.2% 0.21 290.6)
-
Step 800
800 (this color)
#5331A4
oklch(42.5% 0.174 290.6)
-
Step 900
900
#442E82
oklch(37.7% 0.135 290.5)
-
Step 950
950
#281C4C
oklch(27% 0.085 291.2)
#5331A4 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) | #004BA7 | 0.095 |
| Deuteranopia (no green cones) | #0047A2 | 0.093 |
| Tritanopia (no blue cones) | #384E67 | 0.139 |
| Achromatopsia (no color) | #494949 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5331A4
#5331A4
oklch(42.5% 0.174 290.6)
- #515300
#515300
oklch(42.6% 0.094 111.4)
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 #5331A4, closest first.
No curated palette has a color within ΔE 0.04 of #5331A4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.042
- Blueberry #464196 ΔE 0.046
- Chrysanthemum #560BAD ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.052
- Imperial Purple #480CA8 ΔE 0.057
- Blue With A Hint Of Purple #533CC6 ΔE 0.059
- Blurple #5539CC ΔE 0.067
- Indigo Blue #3A18B1 ΔE 0.067
Use #5331A4 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.