#5A588B
Closest named color: Dusk (#4E5481). oklch(48.5% 0.081 284.7), rgb(90, 88, 139).
Aa
White text reads best on this color (6.55:1).
About this color
#5A588B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.081 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.027 away. White text reads best on it, at 6.55:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 3.20:1 |
| White text | 6.55:1 |
Values
| HEX | #5A588B |
| RGB | rgb(90, 88, 139) |
| HSL | hsl(242, 22%, 45%) |
| OKLCH | oklch(48.5% 0.081 284.7) |
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 #5A588B | 6.55:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #5A588B | 3.20:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #5A588B text on white | 6.55:1 | AA | Lc 82.4 | Fine for body text |
| #5A588B 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F1
oklch(93.6% 0.011 286.2)
-
Step 200
200
#D7D7E7
oklch(88.4% 0.022 285.9)
-
Step 300
300
#BDBEDA
oklch(81% 0.039 283.9)
-
Step 400
400
#9C9CC7
oklch(70.8% 0.062 284.7)
-
Step 500
500
#8483B9
oklch(63.2% 0.081 284.7)
-
Step 600
600
#6E6CA4
oklch(55.6% 0.086 284.9)
-
Step 700
700 (this color)
#5A588B
oklch(48.5% 0.081 284.7)
-
Step 800
800
#4B4A72
oklch(42.8% 0.066 284.4)
-
Step 900
900
#3E3E5C
oklch(37.7% 0.051 283.7)
-
Step 950
950
#252436
oklch(27% 0.033 286.5)
#5A588B 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) | #485F8D | 0.030 |
| Deuteranopia (no green cones) | #475C8A | 0.028 |
| Tritanopia (no blue cones) | #4D626B | 0.071 |
| Achromatopsia (no color) | #5D5D5D | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A588B
#5A588B
oklch(48.5% 0.081 284.7)
- #666125
#666125
oklch(48.4% 0.081 104.5)
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 #5A588B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.027
- Twilight #4E518B ΔE 0.029
- Dusky Blue #475F94 ΔE 0.032
- Dusty Grape #545775 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.042
- Denim #3B638C ΔE 0.048
- YInMn Blue #415A77 ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.056
Use #5A588B 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.