#4E5171
Closest named color: Dusty Grape (#545775). oklch(44.6% 0.053 279.9), rgb(78, 81, 113).
Aa
White text reads best on this color (7.66:1).
About this color
#4E5171 is a dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.053 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.021 away. White text reads best on it, at 7.66:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.73:1 |
| White text | 7.66:1 |
Values
| HEX | #4E5171 |
| RGB | rgb(78, 81, 113) |
| HSL | hsl(235, 18%, 37%) |
| OKLCH | oklch(44.6% 0.053 279.9) |
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 #4E5171 | 7.66:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #4E5171 | 2.73:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #4E5171 text on white | 7.66:1 | AAA | Lc 86.6 | Fine for body text |
| #4E5171 text on black | 2.73:1 | Fails | Lc -15.5 | 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 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
#D6D8E5
oklch(88.5% 0.018 279)
-
Step 300
300
#BCBFD5
oklch(80.9% 0.031 279.5)
-
Step 400
400
#9A9EBF
oklch(70.7% 0.048 279.7)
-
Step 500
500
#8186AF
oklch(63.1% 0.062 279.1)
-
Step 600
600
#6B6F9B
oklch(55.6% 0.068 279.9)
-
Step 700
700
#595D84
oklch(49.1% 0.063 279.3)
-
Step 800
800 (this color)
#4E5171
oklch(44.6% 0.053 279.9)
-
Step 900
900
#3D3F57
oklch(37.6% 0.041 280.5)
-
Step 950
950
#242533
oklch(27% 0.026 281.3)
#4E5171 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) | #485572 | 0.014 |
| Deuteranopia (no green cones) | #465270 | 0.012 |
| Tritanopia (no blue cones) | #45575C | 0.047 |
| Achromatopsia (no color) | #535353 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E5171
#4E5171
oklch(44.6% 0.053 279.9)
- #5B5532
#5B5532
oklch(44.6% 0.053 99.7)
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 #4E5171, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.021
- Dusk #4E5481 ΔE 0.026
- YInMn Blue #415A77 ΔE 0.030
- Twilight #4E518B ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.052
- Denim Blue #3B5B92 ΔE 0.058
- Denim #3B638C ΔE 0.061
- Dusky Blue #475F94 ΔE 0.062
Use #4E5171 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.