#4E5570
Closest named color: Dusty Grape (#545775). oklch(45.4% 0.045 273.2), rgb(78, 85, 112).
Aa
White text reads best on this color (7.34:1).
About this color
#4E5570 is a medium-dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.045 and its hue 273°. 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 7.34:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.85:1 |
| White text | 7.34:1 |
Values
| HEX | #4E5570 |
| RGB | rgb(78, 85, 112) |
| HSL | hsl(228, 18%, 37%) |
| OKLCH | oklch(45.4% 0.045 273.2) |
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 #4E5570 | 7.34:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #4E5570 | 2.85:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #4E5570 text on white | 7.34:1 | AAA | Lc 85.5 | Fine for body text |
| #4E5570 text on black | 2.85:1 | Fails | Lc -16.5 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D6D9E3
oklch(88.6% 0.014 272.7)
-
Step 300
300
#BBC0D2
oklch(80.9% 0.026 273.4)
-
Step 400
400
#989FBC
oklch(70.7% 0.043 274.6)
-
Step 500
500
#7E88AB
oklch(63.1% 0.054 272.3)
-
Step 600
600
#687196
oklch(55.5% 0.059 273.8)
-
Step 700
700
#565F80
oklch(49.1% 0.054 272.5)
-
Step 800
800 (this color)
#4E5570
oklch(45.4% 0.045 273.2)
-
Step 900
900
#3B4155
oklch(37.8% 0.035 271.6)
-
Step 950
950
#232632
oklch(27.1% 0.023 273.8)
#4E5570 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) | #4D5771 | 0.006 |
| Deuteranopia (no green cones) | #4A556F | 0.006 |
| Tritanopia (no blue cones) | #455A5E | 0.041 |
| Achromatopsia (no color) | #565656 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E5570
#4E5570
oklch(45.4% 0.045 273.2)
- #5F5639
#5F5639
oklch(45.4% 0.045 92.9)
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 #4E5570, 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 0.022
- Dusk #4E5481 ΔE 0.029
- Slate #516572 ΔE 0.049
- Twilight #4E518B ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.051
- Denim #3B638C ΔE 0.055
- Denim Blue #3B5B92 ΔE 0.057
Use #4E5570 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.