#57447D
Closest named color: Twilight (#4E518B). oklch(43.3% 0.093 297.7), rgb(87, 68, 125).
Aa
White text reads best on this color (8.30:1).
About this color
#57447D is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.093 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.040 away. White text reads best on it, at 8.30:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.52:1 |
| White text | 8.30:1 |
Values
| HEX | #57447D |
| RGB | rgb(87, 68, 125) |
| HSL | hsl(260, 30%, 38%) |
| OKLCH | oklch(43.3% 0.093 297.7) |
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 #57447D | 8.30:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #57447D | 2.52:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #57447D text on white | 8.30:1 | AAA | Lc 88.6 | Fine for body text |
| #57447D text on black | 2.52:1 | Fails | Lc -13.6 | Not readable |
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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F3
oklch(93.7% 0.015 298.6)
-
Step 200
200
#DBD5EB
oklch(88.4% 0.031 298.2)
-
Step 300
300
#C4BAE0
oklch(80.9% 0.054 297.2)
-
Step 400
400
#A795D0
oklch(70.7% 0.087 298.2)
-
Step 500
500
#927AC4
oklch(63.1% 0.111 298.1)
-
Step 600
600
#7C62B1
oklch(55.6% 0.121 297.5)
-
Step 700
700
#695198
oklch(49.2% 0.112 297.7)
-
Step 800
800 (this color)
#57447D
oklch(43.3% 0.093 297.7)
-
Step 900
900
#463863
oklch(37.6% 0.073 297.8)
-
Step 950
950
#29213A
oklch(26.9% 0.047 297.9)
#57447D 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) | #334E7F | 0.057 |
| Deuteranopia (no green cones) | #374E7C | 0.054 |
| Tritanopia (no blue cones) | #4F4E5A | 0.074 |
| Achromatopsia (no color) | #4E4E4E | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57447D
#57447D
oklch(43.3% 0.093 297.7)
- #4D570E
#4D570E
oklch(43.4% 0.093 117.5)
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 #57447D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.040
- Dark Slate Blue #483D8B ΔE 0.043
- Dusk #4E5481 ΔE 0.045
- Blueberry #464196 ΔE 0.052
- Dusty Grape #545775 ΔE 0.060
- Rebecca Purple #663399 ΔE 0.068
- YInMn Blue #415A77 ΔE 0.072
- Denim Blue #3B5B92 ΔE 0.073
Use #57447D 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.