#5B4A8A
Closest named color: Twilight (#4E518B). oklch(45.6% 0.103 294.2), rgb(91, 74, 138).
Aa
White text reads best on this color (7.52:1).
About this color
#5B4A8A is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.103 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.026 away. White text reads best on it, at 7.52:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.79:1 |
| White text | 7.52:1 |
Values
| HEX | #5B4A8A |
| RGB | rgb(91, 74, 138) |
| HSL | hsl(256, 30%, 42%) |
| OKLCH | oklch(45.6% 0.103 294.2) |
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 #5B4A8A | 7.52:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #5B4A8A | 2.79:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #5B4A8A text on white | 7.52:1 | AAA | Lc 86.0 | Fine for body text |
| #5B4A8A text on black | 2.79:1 | Fails | Lc -16.0 | 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
#F5F4FA
oklch(97% 0.008 293.9)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#DAD5EE
oklch(88.5% 0.034 294.9)
-
Step 300
300
#C2BAE4
oklch(80.9% 0.059 293.8)
-
Step 400
400
#A495D7
oklch(70.7% 0.096 294.2)
-
Step 500
500
#8E79CC
oklch(63% 0.123 294.2)
-
Step 600
600
#7961B9
oklch(55.6% 0.134 294.2)
-
Step 700
700
#66509F
oklch(49.1% 0.123 294.2)
-
Step 800
800 (this color)
#5B4A8A
oklch(45.6% 0.103 294.2)
-
Step 900
900
#443867
oklch(37.6% 0.079 294)
-
Step 950
950
#28213D
oklch(27% 0.052 294.2)
#5B4A8A 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) | #35558C | 0.058 |
| Deuteranopia (no green cones) | #385388 | 0.055 |
| Tritanopia (no blue cones) | #505663 | 0.083 |
| Achromatopsia (no color) | #545454 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4A8A
#5B4A8A
oklch(45.6% 0.103 294.2)
- #575D00
#575D00
oklch(45.7% 0.103 114.1)
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 #5B4A8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.026
- Dusk #4E5481 ΔE 0.039
- Blueberry #464196 ΔE 0.050
- Dark Slate Blue #483D8B ΔE 0.050
- Dusty Grape #545775 ΔE 0.057
- Denim Blue #3B5B92 ΔE 0.060
- Dusky Blue #475F94 ΔE 0.061
- Rebecca Purple #663399 ΔE 0.063
Use #5B4A8A 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.