#5B447A
Closest named color: Twilight (#4E518B). oklch(43.5% 0.09 302.5), rgb(91, 68, 122).
Aa
White text reads best on this color (8.22:1).
About this color
#5B447A is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.090 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.044 away. White text reads best on it, at 8.22:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.55:1 |
| White text | 8.22:1 |
Values
| HEX | #5B447A |
| RGB | rgb(91, 68, 122) |
| HSL | hsl(266, 28%, 37%) |
| OKLCH | oklch(43.5% 0.09 302.5) |
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 #5B447A | 8.22:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #5B447A | 2.55:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #5B447A text on white | 8.22:1 | AAA | Lc 88.3 | Fine for body text |
| #5B447A text on black | 2.55:1 | Fails | Lc -13.9 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F3
oklch(93.7% 0.015 302.5)
-
Step 200
200
#DDD5EA
oklch(88.6% 0.03 303)
-
Step 300
300
#C7B9DD
oklch(80.9% 0.052 302.9)
-
Step 400
400
#AB94CC
oklch(70.7% 0.084 303.1)
-
Step 500
500
#9679BF
oklch(63.1% 0.107 302.5)
-
Step 600
600
#8161AC
oklch(55.7% 0.117 302.4)
-
Step 700
700
#6D5093
oklch(49.1% 0.108 302.6)
-
Step 800
800 (this color)
#5B447A
oklch(43.5% 0.09 302.5)
-
Step 900
900
#493860
oklch(37.7% 0.069 302.8)
-
Step 950
950
#2B2138
oklch(27% 0.044 303.6)
#5B447A 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) | #364E7C | 0.060 |
| Deuteranopia (no green cones) | #3B4F79 | 0.056 |
| Tritanopia (no blue cones) | #564D59 | 0.068 |
| Achromatopsia (no color) | #4F4F4F | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B447A
#5B447A
oklch(43.5% 0.09 302.5)
- #495919
#495919
oklch(43.6% 0.09 122.3)
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 #5B447A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.044
- Dusk #4E5481 ΔE 0.046
- Dark Slate Blue #483D8B ΔE 0.051
- Dusty Grape #545775 ΔE 0.058
- Blueberry #464196 ΔE 0.060
- Rebecca Purple #663399 ΔE 0.071
- YInMn Blue #415A77 ΔE 0.073
- Denim Blue #3B5B92 ΔE 0.077
Use #5B447A 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.