#4D5B79
Closest named color: Dusty Grape (#545775). oklch(47.2% 0.052 265.1), rgb(77, 91, 121).
Aa
White text reads best on this color (6.80:1).
About this color
#4D5B79 is a medium-dark, muted blue. In OKLCH its lightness is 47%, its chroma 0.052 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 6.80:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.08:1 |
| White text | 6.80:1 |
Values
| HEX | #4D5B79 |
| RGB | rgb(77, 91, 121) |
| HSL | hsl(221, 22%, 39%) |
| OKLCH | oklch(47.2% 0.052 265.1) |
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 #4D5B79 | 6.80:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #4D5B79 | 3.08:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #4D5B79 text on white | 6.80:1 | AA | Lc 83.4 | Fine for body text |
| #4D5B79 text on black | 3.08:1 | AA large text | Lc -18.5 | 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
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D5D9E3
oklch(88.5% 0.014 268.5)
-
Step 300
300
#B9C1D1
oklch(81% 0.024 264.4)
-
Step 400
400
#94A1BA
oklch(70.7% 0.039 263.5)
-
Step 500
500
#7A89A9
oklch(63% 0.051 265.2)
-
Step 600
600
#637395
oklch(55.6% 0.057 265)
-
Step 700
700 (this color)
#4D5B79
oklch(47.2% 0.052 265.1)
-
Step 800
800
#434F67
oklch(42.7% 0.043 264)
-
Step 900
900
#394154
oklch(37.6% 0.034 266.9)
-
Step 950
950
#212631
oklch(26.9% 0.022 265.8)
#4D5B79 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) | #515D7A | 0.009 |
| Deuteranopia (no green cones) | #4D5978 | 0.006 |
| Tritanopia (no blue cones) | #406165 | 0.047 |
| Achromatopsia (no color) | #5B5B5B | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D5B79
#4D5B79
oklch(47.2% 0.052 265.1)
- #695939
#695939
oklch(47.2% 0.052 84)
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 #4D5B79, 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 0.017
- Dusk #4E5481 ΔE 0.028
- Slate #516572 ΔE 0.037
- Denim #3B638C ΔE 0.037
- Dusky Blue #475F94 ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.046
Use #4D5B79 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.