#4B5474
Closest named color: Dusty Grape (#545775). oklch(45.1% 0.054 272), rgb(75, 84, 116).
Aa
White text reads best on this color (7.44:1).
About this color
#4B5474 is a medium-dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.054 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.017 away. White text reads best on it, at 7.44:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.81:1 |
| White text | 7.44:1 |
Values
| HEX | #4B5474 |
| RGB | rgb(75, 84, 116) |
| HSL | hsl(227, 21%, 37%) |
| OKLCH | oklch(45.1% 0.054 272) |
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 #4B5474 | 7.44:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #4B5474 | 2.81:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #4B5474 text on white | 7.44:1 | AAA | Lc 85.9 | Fine for body text |
| #4B5474 text on black | 2.81:1 | Fails | Lc -16.2 | 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
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D5D9E5
oklch(88.6% 0.017 271.2)
-
Step 300
300
#B9C0D6
oklch(80.9% 0.032 271.6)
-
Step 400
400
#959FC1
oklch(70.6% 0.051 272.2)
-
Step 500
500
#7C88B1
oklch(63.2% 0.063 271.8)
-
Step 600
600
#65719D
oklch(55.6% 0.07 272.2)
-
Step 700
700
#545E86
oklch(49% 0.066 273)
-
Step 800
800 (this color)
#4B5474
oklch(45.1% 0.054 272)
-
Step 900
900
#3A4058
oklch(37.6% 0.042 273.4)
-
Step 950
950
#222634
oklch(27.1% 0.027 272.1)
#4B5474 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) | #4A5775 | 0.009 |
| Deuteranopia (no green cones) | #475473 | 0.006 |
| Tritanopia (no blue cones) | #3F5A5F | 0.048 |
| Achromatopsia (no color) | #555555 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5474
#4B5474
oklch(45.1% 0.054 272)
- #605532
#605532
oklch(45.1% 0.053 92.6)
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 #4B5474, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.017
- YInMn Blue #415A77 ΔE 0.020
- Dusk #4E5481 ΔE 0.023
- Twilight #4E518B ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.051
- Denim #3B638C ΔE 0.052
- Dusky Blue #475F94 ΔE 0.054
Use #4B5474 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.