#53316B
Closest named color: Dark Slate Blue (#483D8B). oklch(38.2% 0.101 309.5), rgb(83, 49, 107).
Aa
White text reads best on this color (10.39:1).
About this color
#53316B is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.101 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.061 away. White text reads best on it, at 10.39:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.01:1 |
| White text | 10.39:1 |
Values
| HEX | #53316B |
| RGB | rgb(83, 49, 107) |
| HSL | hsl(275, 37%, 31%) |
| OKLCH | oklch(38.2% 0.101 309.5) |
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 #53316B | 10.39:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #53316B | 2.01:1 | Fails | Lc 10.0 | Not readable |
| #53316B text on white | 10.39:1 | AAA | Lc 93.9 | Preferred for body text |
| #53316B text on black | 2.01:1 | Fails | Lc -8.7 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F5
oklch(93.6% 0.022 309.6)
-
Step 200
200
#E1D2EF
oklch(88.5% 0.042 308.6)
-
Step 300
300
#CFB4E6
oklch(80.9% 0.075 309.2)
-
Step 400
400
#B78BDA
oklch(70.8% 0.121 309.1)
-
Step 500
500
#A56BCF
oklch(63% 0.155 309.4)
-
Step 600
600
#9150BC
oklch(55.6% 0.17 309.8)
-
Step 700
700
#7B40A2
oklch(49% 0.157 309.6)
-
Step 800
800
#643684
oklch(42.7% 0.13 309.1)
-
Step 900
900 (this color)
#53316B
oklch(38.2% 0.101 309.5)
-
Step 950
950
#301C3E
oklch(27% 0.066 309.8)
#53316B 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) | #213E6D | 0.082 |
| Deuteranopia (no green cones) | #2C406A | 0.073 |
| Tritanopia (no blue cones) | #503B49 | 0.072 |
| Achromatopsia (no color) | #404040 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53316B
#53316B
oklch(38.2% 0.101 309.5)
- #314D01
#314D01
oklch(38.3% 0.102 129.6)
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 #53316B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.061
- Grape Purple #5D1451 ΔE 0.070
- Blueberry #464196 ΔE 0.080
- Rebecca Purple #663399 ΔE 0.084
- Royal Purple #4B006E ΔE 0.087
- Indigo #4B0082 ΔE 0.091
- Rich Purple #720058 ΔE 0.092
- Twilight #4E518B ΔE 0.093
Use #53316B 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.