#5B458C
Closest named color: Twilight (#4E518B). oklch(44.8% 0.114 295.8), rgb(91, 69, 140).
Aa
White text reads best on this color (7.85:1).
About this color
#5B458C is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.114 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.037 away. White text reads best on it, at 7.85:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.67:1 |
| White text | 7.85:1 |
Values
| HEX | #5B458C |
| RGB | rgb(91, 69, 140) |
| HSL | hsl(259, 34%, 41%) |
| OKLCH | oklch(44.8% 0.114 295.8) |
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 #5B458C | 7.85:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #5B458C | 2.67:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #5B458C text on white | 7.85:1 | AAA | Lc 87.1 | Fine for body text |
| #5B458C text on black | 2.67:1 | Fails | Lc -15.0 | Dividers and decoration only |
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
#EBE8F6
oklch(93.7% 0.019 295.9)
-
Step 200
200
#DBD5EF
oklch(88.6% 0.036 296.2)
-
Step 300
300
#C4B9E7
oklch(81% 0.065 295.9)
-
Step 400
400
#A693DC
oklch(70.8% 0.106 295.5)
-
Step 500
500
#9176D2
oklch(63% 0.137 295.8)
-
Step 600
600
#7C5DBF
oklch(55.6% 0.148 295.8)
-
Step 700
700
#694CA5
oklch(49.1% 0.138 295.9)
-
Step 800
800 (this color)
#5B458C
oklch(44.8% 0.114 295.8)
-
Step 900
900
#46366B
oklch(37.7% 0.089 295.7)
-
Step 950
950
#29203F
oklch(27% 0.057 295.7)
#5B458C 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) | #2C528F | 0.070 |
| Deuteranopia (no green cones) | #30518A | 0.067 |
| Tritanopia (no blue cones) | #505362 | 0.091 |
| Achromatopsia (no color) | #525252 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B458C
#5B458C
oklch(44.8% 0.114 295.8)
- #535B00
#535B00
oklch(44.9% 0.102 115.5)
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 #5B458C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.037
- Dark Slate Blue #483D8B ΔE 0.041
- Blueberry #464196 ΔE 0.042
- Rebecca Purple #663399 ΔE 0.050
- Dusk #4E5481 ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.070
- Dusty Grape #545775 ΔE 0.071
- Dusky Blue #475F94 ΔE 0.073
Use #5B458C 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.