#4D5271
Closest named color: Dusty Grape (#545775). oklch(44.7% 0.051 277), rgb(77, 82, 113).
Aa
White text reads best on this color (7.60:1).
About this color
#4D5271 is a dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.051 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.020 away. White text reads best on it, at 7.60:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.76:1 |
| White text | 7.60:1 |
Values
| HEX | #4D5271 |
| RGB | rgb(77, 82, 113) |
| HSL | hsl(232, 19%, 37%) |
| OKLCH | oklch(44.7% 0.051 277) |
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 #4D5271 | 7.60:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #4D5271 | 2.76:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #4D5271 text on white | 7.60:1 | AAA | Lc 86.4 | Fine for body text |
| #4D5271 text on black | 2.76:1 | Fails | Lc -15.7 | 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 800.
-
Step 50
50
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D6D8E4
oklch(88.4% 0.017 278.5)
-
Step 300
300
#BBBFD4
oklch(80.8% 0.03 277.1)
-
Step 400
400
#999EBF
oklch(70.7% 0.048 278.3)
-
Step 500
500
#8086AF
oklch(63% 0.062 278)
-
Step 600
600
#69709A
oklch(55.6% 0.066 276.7)
-
Step 700
700
#585E84
oklch(49.2% 0.061 277)
-
Step 800
800 (this color)
#4D5271
oklch(44.7% 0.051 277)
-
Step 900
900
#3C4057
oklch(37.8% 0.04 276.7)
-
Step 950
950
#232533
oklch(26.9% 0.026 278.2)
#4D5271 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) | #495572 | 0.010 |
| Deuteranopia (no green cones) | #475270 | 0.009 |
| Tritanopia (no blue cones) | #44585D | 0.045 |
| Achromatopsia (no color) | #545454 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D5271
#4D5271
oklch(44.7% 0.051 277)
- #5C5533
#5C5533
oklch(44.7% 0.051 98)
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 #4D5271, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.020
- Dusk #4E5481 ΔE 0.026
- YInMn Blue #415A77 ΔE 0.027
- Twilight #4E518B ΔE 0.044
- Light Navy Blue #2E5A88 ΔE 0.050
- Denim Blue #3B5B92 ΔE 0.057
- Denim #3B638C ΔE 0.059
- Slate #516572 ΔE 0.059
Use #4D5271 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.