#545C7F
Closest named color: Dusty Grape (#545775). oklch(48.2% 0.057 274.1), rgb(84, 92, 127).
Aa
White text reads best on this color (6.53:1).
About this color
#545C7F is a medium-dark, muted blue. In OKLCH its lightness is 48%, its chroma 0.057 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.019 away. White text reads best on it, at 6.53:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.21:1 |
| White text | 6.53:1 |
Values
| HEX | #545C7F |
| RGB | rgb(84, 92, 127) |
| HSL | hsl(229, 20%, 41%) |
| OKLCH | oklch(48.2% 0.057 274.1) |
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 #545C7F | 6.53:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #545C7F | 3.21:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #545C7F text on white | 6.53:1 | AA | Lc 82.4 | Fine for body text |
| #545C7F text on black | 3.21:1 | AA large text | Lc -19.5 | 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 700.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8E9EF
oklch(93.5% 0.008 278.6)
-
Step 200
200
#D6D9E4
oklch(88.6% 0.015 273.8)
-
Step 300
300
#BBC0D3
oklch(81% 0.027 274)
-
Step 400
400
#989FBD
oklch(70.7% 0.045 274.9)
-
Step 500
500
#7E87AC
oklch(63% 0.057 274)
-
Step 600
600
#687198
oklch(55.6% 0.062 274.2)
-
Step 700
700 (this color)
#545C7F
oklch(48.2% 0.057 274.1)
-
Step 800
800
#474D69
oklch(42.7% 0.047 274.9)
-
Step 900
900
#3B4056
oklch(37.6% 0.038 274.5)
-
Step 950
950
#232632
oklch(27.1% 0.023 273.8)
#545C7F 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) | #515F81 | 0.009 |
| Deuteranopia (no green cones) | #4E5C7E | 0.009 |
| Tritanopia (no blue cones) | #486368 | 0.052 |
| Achromatopsia (no color) | #5E5E5E | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #545C7F
#545C7F
oklch(48.2% 0.057 274.1)
- #695E37
#695E37
oklch(48.3% 0.058 94.2)
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 #545C7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.019
- Dusk #4E5481 ΔE 0.027
- YInMn Blue #415A77 ΔE 0.031
- Dusky Blue #475F94 ΔE 0.036
- Denim #3B638C ΔE 0.037
- Slate #516572 ΔE 0.040
- Twilight #4E518B ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.044
Use #545C7F 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.