#5A2D74
Closest named color: Dark Slate Blue (#483D8B). oklch(39% 0.122 311.3), rgb(90, 45, 116).
Aa
White text reads best on this color (10.18:1).
About this color
#5A2D74 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.122 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.059 away. White text reads best on it, at 10.18:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.06:1 |
| White text | 10.18:1 |
Values
| HEX | #5A2D74 |
| RGB | rgb(90, 45, 116) |
| HSL | hsl(278, 44%, 32%) |
| OKLCH | oklch(39% 0.122 311.3) |
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 #5A2D74 | 10.18:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #5A2D74 | 2.06:1 | Fails | Lc 10.7 | Not readable |
| #5A2D74 text on white | 10.18:1 | AAA | Lc 93.2 | Preferred for body text |
| #5A2D74 text on black | 2.06:1 | Fails | Lc -9.3 | 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 900.
-
Step 50
50
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#F0E5F7
oklch(93.6% 0.027 312.6)
-
Step 200
200
#E4D0F2
oklch(88.4% 0.051 311.5)
-
Step 300
300
#D4B0EC
oklch(80.9% 0.091 311.5)
-
Step 400
400
#BE84E3
oklch(70.7% 0.147 311.2)
-
Step 500
500
#AE61DB
oklch(63.2% 0.188 311.3)
-
Step 600
600
#9943C8
oklch(55.6% 0.204 311.2)
-
Step 700
700
#8333AD
oklch(49.1% 0.19 311.4)
-
Step 800
800
#6A2C8C
oklch(42.7% 0.157 311.2)
-
Step 900
900 (this color)
#5A2D74
oklch(39% 0.122 311.3)
-
Step 950
950
#331942
oklch(27.1% 0.078 311.5)
#5A2D74 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) | #153F76 | 0.107 |
| Deuteranopia (no green cones) | #274272 | 0.095 |
| Tritanopia (no blue cones) | #573A4C | 0.084 |
| Achromatopsia (no color) | #414141 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A2D74
#5A2D74
oklch(39% 0.122 311.3)
- #2F5000
#2F5000
oklch(39% 0.107 131.4)
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 #5A2D74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.059
- Rebecca Purple #663399 ΔE 0.066
- Grape Purple #5D1451 ΔE 0.072
- Blueberry #464196 ΔE 0.077
- Indigo #4B0082 ΔE 0.081
- Royal Purple #4B006E ΔE 0.081
- Rich Purple #720058 ΔE 0.084
- Purple #800080 ΔE 0.090
Use #5A2D74 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.