#57549F
Closest named color: Twilight (#4E518B). oklch(48.6% 0.118 282.9), rgb(87, 84, 159).
Aa
White text reads best on this color (6.61:1).
About this color
#57549F is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.118 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.036 away. White text reads best on it, at 6.61:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.17:1 |
| White text | 6.61:1 |
Values
| HEX | #57549F |
| RGB | rgb(87, 84, 159) |
| HSL | hsl(242, 31%, 48%) |
| OKLCH | oklch(48.6% 0.118 282.9) |
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 #57549F | 6.61:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #57549F | 3.17:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #57549F text on white | 6.61:1 | AA | Lc 82.6 | Fine for body text |
| #57549F text on black | 3.17:1 | AA large text | Lc -19.3 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D6D7EE
oklch(88.5% 0.031 283.8)
-
Step 300
300
#BBBDE5
oklch(81% 0.056 282.8)
-
Step 400
400
#9899D8
oklch(70.6% 0.092 283.1)
-
Step 500
500
#807FCE
oklch(63.1% 0.117 283.1)
-
Step 600
600
#6A67BA
oklch(55.5% 0.126 283.1)
-
Step 700
700 (this color)
#57549F
oklch(48.6% 0.118 282.9)
-
Step 800
800
#484682
oklch(42.6% 0.098 282.9)
-
Step 900
900
#3C3B68
oklch(37.6% 0.076 283.1)
-
Step 950
950
#23233D
oklch(27% 0.048 282.7)
#57549F 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) | #365FA2 | 0.047 |
| Deuteranopia (no green cones) | #325A9D | 0.048 |
| Tritanopia (no blue cones) | #406472 | 0.101 |
| Achromatopsia (no color) | #5D5D5D | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57549F
#57549F
oklch(48.6% 0.118 282.9)
- #6A6100
#6A6100
oklch(48.6% 0.102 103.2)
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 #57549F, closest first.
No curated palette has a color within ΔE 0.04 of #57549F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.036
- Dusky Blue #475F94 ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.048
- Dusk #4E5481 ΔE 0.052
- Blueberry #464196 ΔE 0.060
- Iris #6258C4 ΔE 0.061
- French Blue #436BAD ΔE 0.064
- Denim #3B638C ΔE 0.066
Use #57549F 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.