#5B448D
Closest named color: Twilight (#4E518B). oklch(44.7% 0.117 295.9), rgb(91, 68, 141).
Aa
White text reads best on this color (7.90:1).
About this color
#5B448D is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.117 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.039 away. White text reads best on it, at 7.90:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.65:1 |
| White text | 7.90:1 |
Values
| HEX | #5B448D |
| RGB | rgb(91, 68, 141) |
| HSL | hsl(259, 35%, 41%) |
| OKLCH | oklch(44.7% 0.117 295.9) |
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 #5B448D | 7.90:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #5B448D | 2.65:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #5B448D text on white | 7.90:1 | AAA | Lc 87.2 | Fine for body text |
| #5B448D text on black | 2.65:1 | Fails | Lc -14.9 | 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 800.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DBD5F0
oklch(88.6% 0.037 295.8)
-
Step 300
300
#C4B8E8
oklch(80.9% 0.068 296.3)
-
Step 400
400
#A692DD
oklch(70.6% 0.109 295.7)
-
Step 500
500
#9276D4
oklch(63.2% 0.139 295.9)
-
Step 600
600
#7C5CC1
oklch(55.5% 0.152 295.6)
-
Step 700
700
#694BA6
oklch(49% 0.141 296)
-
Step 800
800 (this color)
#5B448D
oklch(44.7% 0.117 295.9)
-
Step 900
900
#46366C
oklch(37.7% 0.091 295.4)
-
Step 950
950
#29203F
oklch(27% 0.057 295.7)
#5B448D 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) | #295290 | 0.074 |
| Deuteranopia (no green cones) | #2E508B | 0.069 |
| Tritanopia (no blue cones) | #505262 | 0.092 |
| Achromatopsia (no color) | #515151 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B448D
#5B448D
oklch(44.7% 0.117 295.9)
- #525B00
#525B00
oklch(44.8% 0.103 116.2)
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 #5B448D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.039
- Dark Slate Blue #483D8B ΔE 0.039
- Blueberry #464196 ΔE 0.040
- Rebecca Purple #663399 ΔE 0.048
- Dusk #4E5481 ΔE 0.054
- Denim Blue #3B5B92 ΔE 0.072
- Dusty Grape #545775 ΔE 0.074
- Dusky Blue #475F94 ΔE 0.075
Use #5B448D 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.