#5D51A3
Closest named color: Twilight (#4E518B). oklch(48.7% 0.127 287.4), rgb(93, 81, 163).
Aa
White text reads best on this color (6.62:1).
About this color
#5D51A3 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.127 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.046 away. White text reads best on it, at 6.62:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.17:1 |
| White text | 6.62:1 |
Values
| HEX | #5D51A3 |
| RGB | rgb(93, 81, 163) |
| HSL | hsl(249, 34%, 48%) |
| OKLCH | oklch(48.7% 0.127 287.4) |
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 #5D51A3 | 6.62:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #5D51A3 | 3.17:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #5D51A3 text on white | 6.62:1 | AA | Lc 82.6 | Fine for body text |
| #5D51A3 text on black | 3.17:1 | AA large text | Lc -19.4 | Dividers and decoration only |
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 700.
-
Step 50
50
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D7D6EF
oklch(88.5% 0.034 287.5)
-
Step 300
300
#BDBBE7
oklch(80.8% 0.062 287)
-
Step 400
400
#9D97DB
oklch(70.7% 0.098 287.6)
-
Step 500
500
#867CD1
oklch(63.1% 0.126 287.6)
-
Step 600
600
#7063BE
oklch(55.5% 0.137 287.6)
-
Step 700
700 (this color)
#5D51A3
oklch(48.7% 0.127 287.4)
-
Step 800
800
#4D4485
oklch(42.8% 0.105 287.5)
-
Step 900
900
#3F396B
oklch(37.6% 0.084 287.2)
-
Step 950
950
#25223E
oklch(27% 0.051 287.4)
#5D51A3 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) | #2F5FA6 | 0.064 |
| Deuteranopia (no green cones) | #2E5AA1 | 0.062 |
| Tritanopia (no blue cones) | #486272 | 0.107 |
| Achromatopsia (no color) | #5D5D5D | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D51A3
#5D51A3
oklch(48.7% 0.127 287.4)
- #676300
#676300
oklch(48.8% 0.104 106.9)
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 #5D51A3, closest first.
No curated palette has a color within ΔE 0.04 of #5D51A3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.046
- Iris #6258C4 ΔE 0.054
- Dusky Blue #475F94 ΔE 0.056
- Blueberry #464196 ΔE 0.061
- Denim Blue #3B5B92 ΔE 0.061
- Dusk #4E5481 ΔE 0.063
- Bluey Purple #6241C7 ΔE 0.069
- Rebecca Purple #663399 ΔE 0.070
Use #5D51A3 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.