#4B5873
Closest named color: Dusty Grape (#545775). oklch(46% 0.047 264.6), rgb(75, 88, 115).
Aa
White text reads best on this color (7.13:1).
About this color
#4B5873 is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.047 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.014 away. White text reads best on it, at 7.13:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #4B5873 |
| RGB | rgb(75, 88, 115) |
| HSL | hsl(221, 21%, 37%) |
| OKLCH | oklch(46% 0.047 264.6) |
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 #4B5873 | 7.13:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #4B5873 | 2.94:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #4B5873 text on white | 7.13:1 | AAA | Lc 84.7 | Fine for body text |
| #4B5873 text on black | 2.94:1 | Fails | Lc -17.3 | 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
#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
#B9C1D0
oklch(80.9% 0.023 263.2)
-
Step 400
400
#95A1B8
oklch(70.7% 0.036 263.5)
-
Step 500
500
#7B8AA6
oklch(63.1% 0.046 262.9)
-
Step 600
600
#657392
oklch(55.6% 0.051 265.8)
-
Step 700
700 (this color)
#4B5873
oklch(46% 0.047 264.6)
-
Step 800
800
#444F65
oklch(42.7% 0.039 264)
-
Step 900
900
#3A4252
oklch(37.8% 0.029 264.1)
-
Step 950
950
#222630
oklch(26.9% 0.02 267.9)
#4B5873 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) | #4F5A74 | 0.009 |
| Deuteranopia (no green cones) | #4B5672 | 0.006 |
| Tritanopia (no blue cones) | #3F5D61 | 0.042 |
| Achromatopsia (no color) | #585858 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5873
#4B5873
oklch(46% 0.047 264.6)
- #645639
#645639
oklch(45.9% 0.047 84.9)
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 #4B5873, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.014
- YInMn Blue #415A77 ΔE 0.014
- Dusk #4E5481 ΔE 0.029
- Slate #516572 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.045
- Denim #3B638C ΔE 0.046
- Twilight #4E518B ΔE 0.050
- Denim Blue #3B5B92 ΔE 0.052
Use #4B5873 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.