#5B549B
Closest named color: Twilight (#4E518B). oklch(48.6% 0.111 286), rgb(91, 84, 155).
Aa
White text reads best on this color (6.59:1).
About this color
#5B549B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.111 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.034 away. White text reads best on it, at 6.59:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.18:1 |
| White text | 6.59:1 |
Values
| HEX | #5B549B |
| RGB | rgb(91, 84, 155) |
| HSL | hsl(246, 30%, 47%) |
| OKLCH | oklch(48.6% 0.111 286) |
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 #5B549B | 6.59:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #5B549B | 3.18:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #5B549B text on white | 6.59:1 | AA | Lc 82.5 | Fine for body text |
| #5B549B text on black | 3.18:1 | AA large text | Lc -19.4 | 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 700.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E9F4
oklch(93.7% 0.015 286.1)
-
Step 200
200
#D7D7ED
oklch(88.6% 0.03 285.8)
-
Step 300
300
#BDBCE3
oklch(80.9% 0.055 286.3)
-
Step 400
400
#9C99D4
oklch(70.7% 0.086 286.3)
-
Step 500
500
#847FC9
oklch(63.1% 0.11 285.9)
-
Step 600
600
#6E67B6
oklch(55.6% 0.12 285.8)
-
Step 700
700 (this color)
#5B549B
oklch(48.6% 0.111 286)
-
Step 800
800
#4B467F
oklch(42.7% 0.093 285.8)
-
Step 900
900
#3F3B66
oklch(37.7% 0.072 286.6)
-
Step 950
950
#25233C
oklch(27.1% 0.046 286.6)
#5B549B 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) | #3A5F9E | 0.049 |
| Deuteranopia (no green cones) | #385B99 | 0.049 |
| Tritanopia (no blue cones) | #496270 | 0.094 |
| Achromatopsia (no color) | #5D5D5D | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B549B
#5B549B
oklch(48.6% 0.111 286)
- #686200
#686200
oklch(48.6% 0.103 105.5)
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 #5B549B, closest first.
No curated palette has a color within ΔE 0.04 of #5B549B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.034
- Dusky Blue #475F94 ΔE 0.043
- Dusk #4E5481 ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.050
- Blueberry #464196 ΔE 0.063
- Iris #6258C4 ΔE 0.066
- Denim #3B638C ΔE 0.066
- Dusty Grape #545775 ΔE 0.066
Use #5B549B 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.