#55477C
Closest named color: Twilight (#4E518B). oklch(43.6% 0.086 294.7), rgb(85, 71, 124).
Aa
White text reads best on this color (8.14:1).
About this color
#55477C is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.086 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.034 away. White text reads best on it, at 8.14:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.57:1 |
| White text | 8.14:1 |
Values
| HEX | #55477C |
| RGB | rgb(85, 71, 124) |
| HSL | hsl(256, 27%, 38%) |
| OKLCH | oklch(43.6% 0.086 294.7) |
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 #55477C | 8.14:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #55477C | 2.57:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #55477C text on white | 8.14:1 | AAA | Lc 88.1 | Fine for body text |
| #55477C text on black | 2.57:1 | Fails | Lc -14.1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#DAD6EA
oklch(88.5% 0.028 295)
-
Step 300
300
#C2BBDF
oklch(80.9% 0.051 294.2)
-
Step 400
400
#A497CE
oklch(70.7% 0.08 295.1)
-
Step 500
500
#8E7CC2
oklch(63.1% 0.105 295)
-
Step 600
600
#7865AE
oklch(55.6% 0.112 294.5)
-
Step 700
700
#655395
oklch(49% 0.104 294.8)
-
Step 800
800 (this color)
#55477C
oklch(43.6% 0.086 294.7)
-
Step 900
900
#443A62
oklch(37.7% 0.068 294.4)
-
Step 950
950
#282239
oklch(27% 0.043 295.4)
#55477C 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) | #37507E | 0.048 |
| Deuteranopia (no green cones) | #3A4F7B | 0.045 |
| Tritanopia (no blue cones) | #4C515B | 0.072 |
| Achromatopsia (no color) | #4F4F4F | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55477C
#55477C
oklch(43.6% 0.086 294.7)
- #515715
#515715
oklch(43.8% 0.087 114.5)
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 #55477C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.034
- Dusk #4E5481 ΔE 0.037
- Dark Slate Blue #483D8B ΔE 0.047
- Dusty Grape #545775 ΔE 0.051
- Blueberry #464196 ΔE 0.055
- YInMn Blue #415A77 ΔE 0.063
- Denim Blue #3B5B92 ΔE 0.066
- Dusk Blue #26538D ΔE 0.068
Use #55477C 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.