#5A4789
Closest named color: Twilight (#4E518B). oklch(44.9% 0.106 295), rgb(90, 71, 137).
Aa
White text reads best on this color (7.78:1).
About this color
#5A4789 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.106 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.031 away. White text reads best on it, at 7.78:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.69:1 |
| White text | 7.78:1 |
Values
| HEX | #5A4789 |
| RGB | rgb(90, 71, 137) |
| HSL | hsl(257, 32%, 41%) |
| OKLCH | oklch(44.9% 0.106 295) |
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 #5A4789 | 7.78:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #5A4789 | 2.69:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #5A4789 text on white | 7.78:1 | AAA | Lc 86.9 | Fine for body text |
| #5A4789 text on black | 2.69:1 | Fails | Lc -15.2 | 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 800.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#DAD5EE
oklch(88.5% 0.034 294.9)
-
Step 300
300
#C3B9E5
oklch(80.9% 0.062 295.4)
-
Step 400
400
#A594D8
oklch(70.7% 0.099 295.2)
-
Step 500
500
#9078CE
oklch(63.1% 0.128 295.3)
-
Step 600
600
#7A60BA
oklch(55.6% 0.137 294.9)
-
Step 700
700
#674FA1
oklch(49.2% 0.128 294.7)
-
Step 800
800 (this color)
#5A4789
oklch(44.9% 0.106 295)
-
Step 900
900
#453768
oklch(37.6% 0.083 295.3)
-
Step 950
950
#28213D
oklch(27% 0.052 294.2)
#5A4789 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) | #31538B | 0.063 |
| Deuteranopia (no green cones) | #345187 | 0.059 |
| Tritanopia (no blue cones) | #4F5361 | 0.085 |
| Achromatopsia (no color) | #525252 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A4789
#5A4789
oklch(44.9% 0.106 295)
- #545B00
#545B00
oklch(45% 0.102 114.8)
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 #5A4789, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.031
- Dark Slate Blue #483D8B ΔE 0.043
- Dusk #4E5481 ΔE 0.044
- Blueberry #464196 ΔE 0.045
- Rebecca Purple #663399 ΔE 0.058
- Dusty Grape #545775 ΔE 0.063
- Denim Blue #3B5B92 ΔE 0.065
- Dusky Blue #475F94 ΔE 0.068
Use #5A4789 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.