#5B4491
Closest named color: Blueberry (#464196). oklch(45% 0.122 294.8), rgb(91, 68, 145).
Aa
White text reads best on this color (7.83:1).
About this color
#5B4491 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.122 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.038 away. White text reads best on it, at 7.83:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Blueberry (#464196) |
| Black text | 2.68:1 |
| White text | 7.83:1 |
Values
| HEX | #5B4491 |
| RGB | rgb(91, 68, 145) |
| HSL | hsl(258, 36%, 42%) |
| OKLCH | oklch(45% 0.122 294.8) |
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 #5B4491 | 7.83:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #5B4491 | 2.68:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #5B4491 text on white | 7.83:1 | AAA | Lc 87.0 | Fine for body text |
| #5B4491 text on black | 2.68:1 | Fails | Lc -15.1 | 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
#EAE7F7
oklch(93.5% 0.022 294.6)
-
Step 200
200
#DAD5F1
oklch(88.6% 0.038 293.8)
-
Step 300
300
#C3B8EB
oklch(80.9% 0.072 294.6)
-
Step 400
400
#A592E1
oklch(70.7% 0.115 294.3)
-
Step 500
500
#9075D8
oklch(63.1% 0.146 294.4)
-
Step 600
600
#7C5BC5
oklch(55.6% 0.159 295.1)
-
Step 700
700
#684AAA
oklch(49% 0.148 294.8)
-
Step 800
800 (this color)
#5B4491
oklch(45% 0.122 294.8)
-
Step 900
900
#46356E
oklch(37.7% 0.095 295.2)
-
Step 950
950
#292041
oklch(27.2% 0.06 294.6)
#5B4491 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) | #255394 | 0.077 |
| Deuteranopia (no green cones) | #2A518F | 0.073 |
| Tritanopia (no blue cones) | #4E5364 | 0.097 |
| Achromatopsia (no color) | #525252 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4491
#5B4491
oklch(45% 0.122 294.8)
- #545B00
#545B00
oklch(45% 0.102 114.8)
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 #5B4491, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.038
- Dark Slate Blue #483D8B ΔE 0.040
- Twilight #4E518B ΔE 0.041
- Rebecca Purple #663399 ΔE 0.044
- Dusk #4E5481 ΔE 0.058
- Denim Blue #3B5B92 ΔE 0.073
- Dusky Blue #475F94 ΔE 0.075
- Dusty Grape #545775 ΔE 0.078
Use #5B4491 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.