#4D599D
Closest named color: Dusky Blue (#475F94). oklch(48.7% 0.11 274.1), rgb(77, 89, 157).
Aa
White text reads best on this color (6.49:1).
About this color
#4D599D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.110 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.025 away. White text reads best on it, at 6.49:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.23:1 |
| White text | 6.49:1 |
Values
| HEX | #4D599D |
| RGB | rgb(77, 89, 157) |
| HSL | hsl(231, 34%, 46%) |
| OKLCH | oklch(48.7% 0.11 274.1) |
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 #4D599D | 6.49:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #4D599D | 3.23:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #4D599D text on white | 6.49:1 | AA | Lc 82.1 | Fine for body text |
| #4D599D text on black | 3.23:1 | AA large text | Lc -19.8 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6E9F4
oklch(93.5% 0.015 273.8)
-
Step 200
200
#D3D8ED
oklch(88.5% 0.029 275.1)
-
Step 300
300
#B6BFE4
oklch(81% 0.053 274.4)
-
Step 400
400
#909DD6
oklch(70.7% 0.085 274.1)
-
Step 500
500
#7584CB
oklch(63.1% 0.108 273.8)
-
Step 600
600
#5F6CB8
oklch(55.6% 0.119 274.6)
-
Step 700
700 (this color)
#4D599D
oklch(48.7% 0.11 274.1)
-
Step 800
800
#404A80
oklch(42.7% 0.09 274)
-
Step 900
900
#363E67
oklch(37.7% 0.071 274.1)
-
Step 950
950
#20253C
oklch(27.1% 0.043 273.8)
#4D599D 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) | #3D61A0 | 0.027 |
| Deuteranopia (no green cones) | #365B9B | 0.028 |
| Tritanopia (no blue cones) | #2C6773 | 0.097 |
| Achromatopsia (no color) | #5E5E5E | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D599D
#4D599D
oklch(48.7% 0.11 274.1)
- #725E00
#725E00
oklch(48.7% 0.1 94.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes and gradients that use #4D599D
These curated palettes and gradients contain exactly #4D599D. Open one to see the full color scheme around it.
Gradients
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.025
- Denim Blue #3B5B92 ΔE 0.030
- Twilight #4E518B ΔE 0.033
- Dusk #4E5481 ΔE 0.045
- Denim #3B638C ΔE 0.049
- French Blue #436BAD ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.052
- Dusk Blue #26538D ΔE 0.057
Use #4D599D 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.