#545F7B
Closest named color: Dusty Grape (#545775). oklch(48.7% 0.047 268), rgb(84, 95, 123).
Aa
White text reads best on this color (6.36:1).
About this color
#545F7B is a medium-dark, muted blue. In OKLCH its lightness is 49%, its chroma 0.047 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.023 away. White text reads best on it, at 6.36:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.29:1 |
| White text | 6.36:1 |
Values
| HEX | #545F7B |
| RGB | rgb(84, 95, 123) |
| HSL | hsl(223, 19%, 41%) |
| OKLCH | oklch(48.7% 0.047 268) |
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 #545F7B | 6.36:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #545F7B | 3.29:1 | AA large text | Lc 22.4 | Dividers and decoration only |
| #545F7B text on white | 6.36:1 | AA | Lc 81.6 | Fine for body text |
| #545F7B text on black | 3.29:1 | AA large text | Lc -20.2 | 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 700.
-
Step 50
50
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D5D9E2
oklch(88.5% 0.013 266.7)
-
Step 300
300
#BAC0D0
oklch(80.8% 0.023 269.4)
-
Step 400
400
#97A0B8
oklch(70.7% 0.037 269.2)
-
Step 500
500
#7D89A7
oklch(63.1% 0.047 267.9)
-
Step 600
600
#667392
oklch(55.7% 0.051 267)
-
Step 700
700 (this color)
#545F7B
oklch(48.7% 0.047 268)
-
Step 800
800
#464E65
oklch(42.6% 0.04 269.7)
-
Step 900
900
#3B4152
oklch(37.7% 0.03 269.7)
-
Step 950
950
#222630
oklch(26.9% 0.02 267.9)
#545F7B 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) | #56617C | 0.007 |
| Deuteranopia (no green cones) | #535E7A | 0.004 |
| Tritanopia (no blue cones) | #496568 | 0.044 |
| Achromatopsia (no color) | #5F5F5F | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #545F7B
#545F7B
oklch(48.7% 0.047 268)
- #6B5E40
#6B5E40
oklch(48.7% 0.047 87.1)
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 #545F7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.023
- Slate #516572 ΔE 0.027
- YInMn Blue #415A77 ΔE 0.032
- Denim #3B638C ΔE 0.038
- Dusk #4E5481 ΔE 0.039
- Dusky Blue #475F94 ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.053
- Light Navy Blue #2E5A88 ΔE 0.055
Use #545F7B 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.