#554B80
Closest named color: Twilight (#4E518B). oklch(44.7% 0.086 291.2), rgb(85, 75, 128).
Aa
White text reads best on this color (7.76:1).
About this color
#554B80 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.086 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 7.76:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.70:1 |
| White text | 7.76:1 |
Values
| HEX | #554B80 |
| RGB | rgb(85, 75, 128) |
| HSL | hsl(251, 26%, 40%) |
| OKLCH | oklch(44.7% 0.086 291.2) |
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 #554B80 | 7.76:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #554B80 | 2.70:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #554B80 text on white | 7.76:1 | AAA | Lc 86.9 | Fine for body text |
| #554B80 text on black | 2.70:1 | Fails | Lc -15.2 | 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
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#D9D6EB
oklch(88.5% 0.029 292.4)
-
Step 300
300
#C0BCDF
oklch(81% 0.049 290.5)
-
Step 400
400
#A098CF
oklch(70.6% 0.08 290.9)
-
Step 500
500
#8A7EC3
oklch(63.1% 0.103 291.1)
-
Step 600
600
#7466AF
oklch(55.5% 0.112 291.1)
-
Step 700
700
#625596
oklch(49.2% 0.102 291.4)
-
Step 800
800 (this color)
#554B80
oklch(44.7% 0.086 291.2)
-
Step 900
900
#423B62
oklch(37.8% 0.066 291.1)
-
Step 950
950
#27233A
oklch(27.2% 0.042 291.3)
#554B80 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) | #3B5382 | 0.041 |
| Deuteranopia (no green cones) | #3C517F | 0.039 |
| Tritanopia (no blue cones) | #4B555F | 0.072 |
| Achromatopsia (no color) | #525252 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554B80
#554B80
oklch(44.7% 0.086 291.2)
- #565917
#565917
oklch(44.8% 0.086 112)
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 #554B80, 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 0.027
- Dusty Grape #545775 ΔE 0.044
- Dark Slate Blue #483D8B ΔE 0.052
- Blueberry #464196 ΔE 0.056
- YInMn Blue #415A77 ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.056
- Dusky Blue #475F94 ΔE 0.060
Use #554B80 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.