#5A559A
Closest named color: Twilight (#4E518B). oklch(48.7% 0.108 284.9), rgb(90, 85, 154).
Aa
White text reads best on this color (6.56:1).
About this color
#5A559A is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.108 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.032 away. White text reads best on it, at 6.56:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.20:1 |
| White text | 6.56:1 |
Values
| HEX | #5A559A |
| RGB | rgb(90, 85, 154) |
| HSL | hsl(244, 29%, 47%) |
| OKLCH | oklch(48.7% 0.108 284.9) |
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 #5A559A | 6.56:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #5A559A | 3.20:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #5A559A text on white | 6.56:1 | AA | Lc 82.4 | Fine for body text |
| #5A559A text on black | 3.20:1 | AA large text | Lc -19.5 | 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
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7EC
oklch(88.5% 0.029 283.6)
-
Step 300
300
#BCBDE2
oklch(81% 0.052 284)
-
Step 400
400
#9B9AD3
oklch(70.8% 0.083 284.9)
-
Step 500
500
#8380C8
oklch(63.2% 0.107 284.8)
-
Step 600
600
#6D68B4
oklch(55.6% 0.116 285)
-
Step 700
700 (this color)
#5A559A
oklch(48.7% 0.108 284.9)
-
Step 800
800
#4A477E
oklch(42.7% 0.09 284.4)
-
Step 900
900
#3E3C65
oklch(37.8% 0.069 284.8)
-
Step 950
950
#24233B
oklch(26.9% 0.044 284.9)
#5A559A 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) | #3C5F9D | 0.045 |
| Deuteranopia (no green cones) | #3A5B98 | 0.045 |
| Tritanopia (no blue cones) | #476370 | 0.093 |
| Achromatopsia (no color) | #5D5D5D | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A559A
#5A559A
oklch(48.7% 0.108 284.9)
- #696200
#696200
oklch(48.7% 0.103 104.7)
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 #5A559A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.032
- Dusky Blue #475F94 ΔE 0.039
- Dusk #4E5481 ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.047
- Denim #3B638C ΔE 0.062
- Dusty Grape #545775 ΔE 0.064
- Blueberry #464196 ΔE 0.065
- French Blue #436BAD ΔE 0.065
Use #5A559A 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.