#5A588F
Closest named color: Twilight (#4E518B). oklch(48.7% 0.087 284.3), rgb(90, 88, 143).
Aa
White text reads best on this color (6.50:1).
About this color
#5A588F is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.087 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.029 away. White text reads best on it, at 6.50:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.22:1 |
| White text | 6.50:1 |
Values
| HEX | #5A588F |
| RGB | rgb(90, 88, 143) |
| HSL | hsl(242, 24%, 45%) |
| OKLCH | oklch(48.7% 0.087 284.3) |
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 #5A588F | 6.50:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #5A588F | 3.22:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #5A588F text on white | 6.50:1 | AA | Lc 82.2 | Fine for body text |
| #5A588F text on black | 3.22:1 | AA large text | Lc -19.7 | 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
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D7D7E9
oklch(88.5% 0.025 285.9)
-
Step 300
300
#BDBDDC
oklch(80.8% 0.043 285.4)
-
Step 400
400
#9B9BCA
oklch(70.6% 0.068 284.5)
-
Step 500
500
#8382BC
oklch(63% 0.087 284.4)
-
Step 600
600
#6D6BA8
oklch(55.6% 0.094 284.4)
-
Step 700
700 (this color)
#5A588F
oklch(48.7% 0.087 284.3)
-
Step 800
800
#4A4975
oklch(42.6% 0.072 283.9)
-
Step 900
900
#3E3D5E
oklch(37.6% 0.056 284.8)
-
Step 950
950
#242437
oklch(26.9% 0.035 283.8)
#5A588F 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) | #465F91 | 0.032 |
| Deuteranopia (no green cones) | #455C8E | 0.031 |
| Tritanopia (no blue cones) | #4C626C | 0.075 |
| Achromatopsia (no color) | #5E5E5E | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A588F
#5A588F
oklch(48.7% 0.087 284.3)
- #68621E
#68621E
oklch(48.8% 0.088 104.3)
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 #5A588F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.029
- Dusky Blue #475F94 ΔE 0.031
- Dusk #4E5481 ΔE 0.031
- Denim Blue #3B5B92 ΔE 0.041
- Dusty Grape #545775 ΔE 0.044
- Denim #3B638C ΔE 0.049
- YInMn Blue #415A77 ΔE 0.056
- Light Navy Blue #2E5A88 ΔE 0.058
Use #5A588F 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.