#5251A0
Closest named color: Twilight (#4E518B). oklch(47.6% 0.124 281.2), rgb(82, 81, 160).
Aa
White text reads best on this color (6.90:1).
About this color
#5251A0 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.124 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.035 away. White text reads best on it, at 6.90:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.04:1 |
| White text | 6.90:1 |
Values
| HEX | #5251A0 |
| RGB | rgb(82, 81, 160) |
| HSL | hsl(241, 33%, 47%) |
| OKLCH | oklch(47.6% 0.124 281.2) |
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 #5251A0 | 6.90:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #5251A0 | 3.04:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #5251A0 text on white | 6.90:1 | AA | Lc 83.7 | Fine for body text |
| #5251A0 text on black | 3.04:1 | AA large text | Lc -18.3 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D5D7EF
oklch(88.5% 0.033 281.9)
-
Step 300
300
#B9BDE7
oklch(80.9% 0.059 280.7)
-
Step 400
400
#969ADC
oklch(70.8% 0.096 281)
-
Step 500
500
#7D7FD2
oklch(63.1% 0.124 281.2)
-
Step 600
600
#6767BF
oklch(55.6% 0.134 281.1)
-
Step 700
700 (this color)
#5251A0
oklch(47.6% 0.124 281.2)
-
Step 800
800
#464685
oklch(42.6% 0.103 281.1)
-
Step 900
900
#3B3B6B
oklch(37.7% 0.081 281.8)
-
Step 950
950
#22233F
oklch(27% 0.052 280.8)
#5251A0 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) | #2E5DA3 | 0.050 |
| Deuteranopia (no green cones) | #28579E | 0.051 |
| Tritanopia (no blue cones) | #366271 | 0.107 |
| Achromatopsia (no color) | #5A5A5A | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5251A0
#5251A0
oklch(47.6% 0.124 281.2)
- #695E00
#695E00
oklch(47.8% 0.1 101.5)
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 #5251A0, closest first.
No curated palette has a color within ΔE 0.04 of #5251A0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.035
- Denim Blue #3B5B92 ΔE 0.048
- Dusky Blue #475F94 ΔE 0.048
- Blueberry #464196 ΔE 0.049
- Dusk #4E5481 ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.063
- Dusk Blue #26538D ΔE 0.064
- Iris #6258C4 ΔE 0.064
Use #5251A0 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.