#57498D
Closest named color: Twilight (#4E518B). oklch(45.3% 0.108 290.9), rgb(87, 73, 141).
Aa
White text reads best on this color (7.65:1).
About this color
#57498D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.108 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.026 away. White text reads best on it, at 7.65:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.74:1 |
| White text | 7.65:1 |
Values
| HEX | #57498D |
| RGB | rgb(87, 73, 141) |
| HSL | hsl(252, 32%, 42%) |
| OKLCH | oklch(45.3% 0.108 290.9) |
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 #57498D | 7.65:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #57498D | 2.74:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #57498D text on white | 7.65:1 | AAA | Lc 86.5 | Fine for body text |
| #57498D text on black | 2.74:1 | Fails | Lc -15.6 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D9D6EF
oklch(88.6% 0.034 291.2)
-
Step 300
300
#C0BAE7
oklch(80.9% 0.063 291)
-
Step 400
400
#A095DB
oklch(70.6% 0.101 290.8)
-
Step 500
500
#8A7AD1
oklch(63.1% 0.129 290.7)
-
Step 600
600
#7561BE
oklch(55.6% 0.14 291)
-
Step 700
700
#6250A4
oklch(49.1% 0.13 290.7)
-
Step 800
800 (this color)
#57498D
oklch(45.3% 0.108 290.9)
-
Step 900
900
#42386B
oklch(37.7% 0.085 290.7)
-
Step 950
950
#27213E
oklch(27% 0.053 291.9)
#57498D 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) | #30548F | 0.058 |
| Deuteranopia (no green cones) | #32528B | 0.055 |
| Tritanopia (no blue cones) | #495664 | 0.089 |
| Achromatopsia (no color) | #535353 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57498D
#57498D
oklch(45.3% 0.108 290.9)
- #595A00
#595A00
oklch(45.2% 0.099 110.5)
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 #57498D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.026
- Blueberry #464196 ΔE 0.041
- Dusk #4E5481 ΔE 0.042
- Dark Slate Blue #483D8B ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.059
- Rebecca Purple #663399 ΔE 0.061
- Dusky Blue #475F94 ΔE 0.062
- Dusty Grape #545775 ΔE 0.063
Use #57498D 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.