#554F77
Closest named color: Dusk (#4E5481). oklch(45% 0.065 290.4), rgb(85, 79, 119).
Aa
White text reads best on this color (7.57:1).
About this color
#554F77 is a medium-dark, muted purple. In OKLCH its lightness is 45%, its chroma 0.065 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.021 away. White text reads best on it, at 7.57:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.77:1 |
| White text | 7.57:1 |
Values
| HEX | #554F77 |
| RGB | rgb(85, 79, 119) |
| HSL | hsl(249, 20%, 39%) |
| OKLCH | oklch(45% 0.065 290.4) |
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 #554F77 | 7.57:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #554F77 | 2.77:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #554F77 text on white | 7.57:1 | AAA | Lc 86.3 | Fine for body text |
| #554F77 text on black | 2.77:1 | Fails | Lc -15.8 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F1
oklch(93.6% 0.011 286.2)
-
Step 200
200
#D9D7E6
oklch(88.5% 0.021 292.1)
-
Step 300
300
#C0BDD8
oklch(80.9% 0.038 290.6)
-
Step 400
400
#A09BC4
oklch(70.8% 0.059 290.4)
-
Step 500
500
#8981B5
oklch(63% 0.078 291)
-
Step 600
600
#736AA1
oklch(55.5% 0.085 290.9)
-
Step 700
700
#60598A
oklch(49.1% 0.078 289.8)
-
Step 800
800 (this color)
#554F77
oklch(45% 0.065 290.4)
-
Step 900
900
#413D5B
oklch(37.7% 0.051 289.8)
-
Step 950
950
#262435
oklch(27% 0.031 289.5)
#554F77 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) | #445579 | 0.029 |
| Deuteranopia (no green cones) | #445376 | 0.027 |
| Tritanopia (no blue cones) | #4D565D | 0.056 |
| Achromatopsia (no color) | #545454 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554F77
#554F77
oklch(45% 0.065 290.4)
- #57592C
#57592C
oklch(45.1% 0.065 111)
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 #554F77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.021
- Dusty Grape #545775 ΔE 0.025
- Twilight #4E518B ΔE 0.033
- YInMn Blue #415A77 ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.058
- Dusky Blue #475F94 ΔE 0.059
- Denim #3B638C ΔE 0.065
Use #554F77 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.