#5A2F80
Closest named color: Dark Slate Blue (#483D8B). oklch(40.2% 0.134 305.7), rgb(90, 47, 128).
Aa
White text reads best on this color (9.75:1).
About this color
#5A2F80 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.134 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.047 away. White text reads best on it, at 9.75:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.15:1 |
| White text | 9.75:1 |
Values
| HEX | #5A2F80 |
| RGB | rgb(90, 47, 128) |
| HSL | hsl(272, 46%, 34%) |
| OKLCH | oklch(40.2% 0.134 305.7) |
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 #5A2F80 | 9.75:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #5A2F80 | 2.15:1 | Fails | Lc 11.8 | Not readable |
| #5A2F80 text on white | 9.75:1 | AAA | Lc 92.2 | Preferred for body text |
| #5A2F80 text on black | 2.15:1 | Fails | Lc -10.2 | 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
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE5FA
oklch(93.5% 0.03 305.1)
-
Step 200
200
#E2D0F7
oklch(88.4% 0.056 306.1)
-
Step 300
300
#D0B0F4
oklch(80.8% 0.1 305.8)
-
Step 400
400
#B983EF
oklch(70.6% 0.161 305.8)
-
Step 500
500
#A85FE9
oklch(63.1% 0.204 305.7)
-
Step 600
600
#943FD8
oklch(55.6% 0.223 305.6)
-
Step 700
700
#7E2FBB
oklch(49.1% 0.207 305.6)
-
Step 800
800
#662997
oklch(42.6% 0.171 305.5)
-
Step 900
900 (this color)
#5A2F80
oklch(40.2% 0.134 305.7)
-
Step 950
950
#311847
oklch(27% 0.086 306)
#5A2F80 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) | #044383 | 0.112 |
| Deuteranopia (no green cones) | #1E447E | 0.099 |
| Tritanopia (no blue cones) | #543F53 | 0.095 |
| Achromatopsia (no color) | #444444 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A2F80
#5A2F80
oklch(40.2% 0.134 305.7)
- #3B5100
#3B5100
oklch(40.2% 0.102 125.5)
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 #5A2F80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.047
- Rebecca Purple #663399 ΔE 0.047
- Blueberry #464196 ΔE 0.062
- Indigo #4B0082 ΔE 0.078
- Twilight #4E518B ΔE 0.086
- Royal Purple #4B006E ΔE 0.088
- Chrysanthemum #560BAD ΔE 0.088
- Purple #800080 ΔE 0.089
Use #5A2F80 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.