#545C7A
Closest named color: Dusty Grape (#545775). oklch(48% 0.05 272.8), rgb(84, 92, 122).
Aa
White text reads best on this color (6.58:1).
About this color
#545C7A is a medium-dark, muted blue. In OKLCH its lightness is 48%, its chroma 0.050 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.015 away. White text reads best on it, at 6.58:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.18:1 |
| White text | 6.58:1 |
Values
| HEX | #545C7A |
| RGB | rgb(84, 92, 122) |
| HSL | hsl(227, 18%, 40%) |
| OKLCH | oklch(48% 0.05 272.8) |
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 #545C7A | 6.58:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #545C7A | 3.18:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #545C7A text on white | 6.58:1 | AA | Lc 82.6 | Fine for body text |
| #545C7A text on black | 3.18:1 | AA large text | Lc -19.3 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D6D9E2
oklch(88.6% 0.013 271.3)
-
Step 300
300
#BBC0D1
oklch(80.9% 0.024 272.8)
-
Step 400
400
#98A0B9
oklch(70.8% 0.038 271.4)
-
Step 500
500
#7F88A8
oklch(63.1% 0.049 272.6)
-
Step 600
600
#697293
oklch(55.7% 0.052 272.7)
-
Step 700
700 (this color)
#545C7A
oklch(48% 0.05 272.8)
-
Step 800
800
#474E66
oklch(42.7% 0.041 271.9)
-
Step 900
900
#3C4153
oklch(37.8% 0.032 272.7)
-
Step 950
950
#232631
oklch(27% 0.021 273)
#545C7A 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) | #535F7B | 0.009 |
| Deuteranopia (no green cones) | #505C79 | 0.006 |
| Tritanopia (no blue cones) | #4A6266 | 0.045 |
| Achromatopsia (no color) | #5D5D5D | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #545C7A
#545C7A
oklch(48% 0.05 272.8)
- #675D3D
#675D3D
oklch(47.9% 0.049 92.8)
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 #545C7A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.015
- YInMn Blue #415A77 ΔE 0.028
- Dusk #4E5481 ΔE 0.031
- Slate #516572 ΔE 0.034
- Denim #3B638C ΔE 0.040
- Dusky Blue #475F94 ΔE 0.043
- Twilight #4E518B ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.050
Use #545C7A 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.