#554C7F
Closest named color: Twilight (#4E518B). oklch(44.8% 0.082 290.8), rgb(85, 76, 127).
Aa
White text reads best on this color (7.70:1).
About this color
#554C7F is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.082 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.023 away. White text reads best on it, at 7.70:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.72:1 |
| White text | 7.70:1 |
Values
| HEX | #554C7F |
| RGB | rgb(85, 76, 127) |
| HSL | hsl(251, 25%, 40%) |
| OKLCH | oklch(44.8% 0.082 290.8) |
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 #554C7F | 7.70:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #554C7F | 2.72:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #554C7F text on white | 7.70:1 | AAA | Lc 86.7 | Fine for body text |
| #554C7F text on black | 2.72:1 | Fails | Lc -15.4 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F3
oklch(93.5% 0.015 290.3)
-
Step 200
200
#D9D6EA
oklch(88.4% 0.027 292.7)
-
Step 300
300
#C0BCDE
oklch(80.9% 0.048 290.7)
-
Step 400
400
#A099CE
oklch(70.8% 0.077 290.3)
-
Step 500
500
#897FC1
oklch(63.2% 0.098 290.2)
-
Step 600
600
#7467AD
oklch(55.6% 0.107 291)
-
Step 700
700
#615595
oklch(49% 0.101 290.8)
-
Step 800
800 (this color)
#554C7F
oklch(44.8% 0.082 290.8)
-
Step 900
900
#423B61
oklch(37.7% 0.064 291.5)
-
Step 950
950
#262339
oklch(27% 0.04 289.7)
#554C7F 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) | #3D5481 | 0.039 |
| Deuteranopia (no green cones) | #3D527E | 0.038 |
| Tritanopia (no blue cones) | #4B555F | 0.069 |
| Achromatopsia (no color) | #535353 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554C7F
#554C7F
oklch(44.8% 0.082 290.8)
- #57591B
#57591B
oklch(44.9% 0.083 111.1)
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 #554C7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.023
- Dusk #4E5481 ΔE 0.024
- Dusty Grape #545775 ΔE 0.040
- YInMn Blue #415A77 ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.055
- Dark Slate Blue #483D8B ΔE 0.055
- Dusky Blue #475F94 ΔE 0.058
- Blueberry #464196 ΔE 0.059
Use #554C7F 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.