#4D5992
Closest named color: Dusky Blue (#475F94). oklch(48% 0.093 273.4), rgb(77, 89, 146).
Aa
White text reads best on this color (6.64:1).
About this color
#4D5992 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.093 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.017 away. White text reads best on it, at 6.64:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.15:1 |
| White text | 6.64:1 |
Values
| HEX | #4D5992 |
| RGB | rgb(77, 89, 146) |
| HSL | hsl(230, 31%, 44%) |
| OKLCH | oklch(48% 0.093 273.4) |
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 #4D5992 | 6.64:1 | AA | Lc -87.8 | Fine for body text |
| Black text on #4D5992 | 3.15:1 | AA large text | Lc 21.3 | Dividers and decoration only |
| #4D5992 text on white | 6.64:1 | AA | Lc 82.8 | Fine for body text |
| #4D5992 text on black | 3.15:1 | AA large text | Lc -19.2 | 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 700.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D3D8EA
oklch(88.4% 0.025 273.5)
-
Step 300
300
#B7BFDE
oklch(80.8% 0.045 273.9)
-
Step 400
400
#929ECE
oklch(70.7% 0.072 273.6)
-
Step 500
500
#7785C1
oklch(63% 0.092 273.4)
-
Step 600
600
#616EAE
oklch(55.6% 0.101 274)
-
Step 700
700 (this color)
#4D5992
oklch(48% 0.093 273.4)
-
Step 800
800
#414B79
oklch(42.6% 0.078 273.4)
-
Step 900
900
#373F62
oklch(37.7% 0.061 273.3)
-
Step 950
950
#202539
oklch(26.9% 0.038 272.9)
#4D5992 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) | #445F94 | 0.019 |
| Deuteranopia (no green cones) | #3E5A91 | 0.019 |
| Tritanopia (no blue cones) | #34656E | 0.084 |
| Achromatopsia (no color) | #5C5C5C | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D5992
#4D5992
oklch(48% 0.093 273.4)
- #6F5C0E
#6F5C0E
oklch(48% 0.093 93.9)
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 #4D5992, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.017
- Denim Blue #3B5B92 ΔE 0.023
- Twilight #4E518B ΔE 0.023
- Dusk #4E5481 ΔE 0.028
- Denim #3B638C ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.041
- Dusty Grape #545775 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.049
Use #4D5992 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.