#5B4E77
Closest named color: Dusk (#4E5481). oklch(45.4% 0.067 298.3), rgb(91, 78, 119).
Aa
White text reads best on this color (7.49:1).
About this color
#5B4E77 is a medium-dark, muted purple. In OKLCH its lightness is 45%, its chroma 0.067 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.027 away. White text reads best on it, at 7.49:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.80:1 |
| White text | 7.49:1 |
Values
| HEX | #5B4E77 |
| RGB | rgb(91, 78, 119) |
| HSL | hsl(259, 21%, 39%) |
| OKLCH | oklch(45.4% 0.067 298.3) |
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 #5B4E77 | 7.49:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #5B4E77 | 2.80:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #5B4E77 text on white | 7.49:1 | AAA | Lc 86.0 | Fine for body text |
| #5B4E77 text on black | 2.80:1 | 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
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EAE8F1
oklch(93.5% 0.012 296.3)
-
Step 200
200
#DBD6E6
oklch(88.5% 0.022 300.2)
-
Step 300
300
#C3BCD7
oklch(80.9% 0.038 297.4)
-
Step 400
400
#A599C3
oklch(70.8% 0.062 297.9)
-
Step 500
500
#8F7FB4
oklch(63.1% 0.08 297.9)
-
Step 600
600
#7A68A0
oklch(55.7% 0.087 298.3)
-
Step 700
700
#675689
oklch(49.1% 0.082 298.7)
-
Step 800
800 (this color)
#5B4E77
oklch(45.4% 0.067 298.3)
-
Step 900
900
#453B5A
oklch(37.6% 0.053 298.6)
-
Step 950
950
#282335
oklch(27% 0.034 296.8)
#5B4E77 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) | #445579 | 0.038 |
| Deuteranopia (no green cones) | #465476 | 0.036 |
| Tritanopia (no blue cones) | #56555D | 0.054 |
| Achromatopsia (no color) | #555555 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4E77
#5B4E77
oklch(45.4% 0.067 298.3)
- #535C2F
#535C2F
oklch(45.5% 0.067 118.4)
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 #5B4E77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.027
- Dusty Grape #545775 ΔE 0.029
- Twilight #4E518B ΔE 0.037
- YInMn Blue #415A77 ΔE 0.049
- Dusky Blue #475F94 ΔE 0.062
- Denim Blue #3B5B92 ΔE 0.063
- Light Navy Blue #2E5A88 ΔE 0.066
- Denim #3B638C ΔE 0.070
Use #5B4E77 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.