#5A376B
Closest named color: Dark Slate Blue (#483D8B). oklch(40.1% 0.093 313.9), rgb(90, 55, 107).
Aa
White text reads best on this color (9.57:1).
About this color
#5A376B is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.093 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.062 away. White text reads best on it, at 9.57:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.19:1 |
| White text | 9.57:1 |
Values
| HEX | #5A376B |
| RGB | rgb(90, 55, 107) |
| HSL | hsl(280, 32%, 32%) |
| OKLCH | oklch(40.1% 0.093 313.9) |
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 #5A376B | 9.57:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #5A376B | 2.19:1 | Fails | Lc 12.0 | Not readable |
| #5A376B text on white | 9.57:1 | AAA | Lc 92.0 | Preferred for body text |
| #5A376B text on black | 2.19:1 | Fails | Lc -10.4 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F4
oklch(93.6% 0.021 313.8)
-
Step 200
200
#E3D2EC
oklch(88.5% 0.04 314.1)
-
Step 300
300
#D1B4E1
oklch(80.9% 0.07 313.5)
-
Step 400
400
#BA8BD2
oklch(70.7% 0.113 313.8)
-
Step 500
500
#A86CC6
oklch(63% 0.144 313.6)
-
Step 600
600
#9352B2
oklch(55.5% 0.156 313.7)
-
Step 700
700
#7E4299
oklch(49.1% 0.145 314.2)
-
Step 800
800
#66377C
oklch(42.6% 0.12 313.9)
-
Step 900
900 (this color)
#5A376B
oklch(40.1% 0.093 313.9)
-
Step 950
950
#311D3B
oklch(27.1% 0.06 313.7)
#5A376B 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) | #2C436D | 0.078 |
| Deuteranopia (no green cones) | #36466A | 0.070 |
| Tritanopia (no blue cones) | #593F4C | 0.063 |
| Achromatopsia (no color) | #454545 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A376B
#5A376B
oklch(40.1% 0.093 313.9)
- #325219
#325219
oklch(40% 0.092 133.8)
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 #5A376B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.062
- Blueberry #464196 ΔE 0.080
- Grape Purple #5D1451 ΔE 0.080
- Twilight #4E518B ΔE 0.080
- Rebecca Purple #663399 ΔE 0.081
- Dusk #4E5481 ΔE 0.081
- Purple Brown #673A3F ΔE 0.082
- Brownish Purple #76424E ΔE 0.087
Use #5A376B 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.