#4D5D8F
Closest named color: Dusky Blue (#475F94). oklch(48.8% 0.083 269.7), rgb(77, 93, 143).
Aa
White text reads best on this color (6.40:1).
About this color
#4D5D8F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.083 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.011 away. White text reads best on it, at 6.40:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.27:1 |
| White text | 6.40:1 |
Values
| HEX | #4D5D8F |
| RGB | rgb(77, 93, 143) |
| HSL | hsl(225, 30%, 43%) |
| OKLCH | oklch(48.8% 0.083 269.7) |
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 #4D5D8F | 6.40:1 | AA | Lc -86.9 | Fine for body text |
| Black text on #4D5D8F | 3.27:1 | AA large text | Lc 22.3 | Dividers and decoration only |
| #4D5D8F text on white | 6.40:1 | AA | Lc 81.8 | Fine for body text |
| #4D5D8F text on black | 3.27:1 | AA large text | Lc -20.1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF2
oklch(93.7% 0.011 269.5)
-
Step 200
200
#D3D9E8
oklch(88.5% 0.022 268.4)
-
Step 300
300
#B6C0DB
oklch(80.9% 0.04 269.4)
-
Step 400
400
#909FCA
oklch(70.6% 0.065 269.7)
-
Step 500
500
#7687BC
oklch(63.1% 0.083 270.3)
-
Step 600
600
#5E70A8
oklch(55.5% 0.09 269.7)
-
Step 700
700 (this color)
#4D5D8F
oklch(48.8% 0.083 269.7)
-
Step 800
800
#404D75
oklch(42.7% 0.069 269.6)
-
Step 900
900
#36405E
oklch(37.6% 0.053 269.6)
-
Step 950
950
#202637
oklch(27.1% 0.033 269.2)
#4D5D8F 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) | #4B6291 | 0.014 |
| Deuteranopia (no green cones) | #455C8E | 0.011 |
| Tritanopia (no blue cones) | #35676F | 0.074 |
| Achromatopsia (no color) | #5F5F5F | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D5D8F
#4D5D8F
oklch(48.8% 0.083 269.7)
- #725D20
#725D20
oklch(48.7% 0.083 89.7)
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 #4D5D8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.011
- Denim Blue #3B5B92 ΔE 0.025
- Denim #3B638C ΔE 0.028
- Dusk #4E5481 ΔE 0.030
- Twilight #4E518B ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.041
- Dusty Grape #545775 ΔE 0.042
- YInMn Blue #415A77 ΔE 0.043
Use #4D5D8F 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.