#4A598E
Closest named color: Dusky Blue (#475F94). oklch(47.6% 0.088 270.8), rgb(74, 89, 142).
Aa
White text reads best on this color (6.75:1).
About this color
#4A598E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.088 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.018 away. White text reads best on it, at 6.75:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.11:1 |
| White text | 6.75:1 |
Values
| HEX | #4A598E |
| RGB | rgb(74, 89, 142) |
| HSL | hsl(227, 31%, 42%) |
| OKLCH | oklch(47.6% 0.088 270.8) |
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 #4A598E | 6.75:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #4A598E | 3.11:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #4A598E text on white | 6.75:1 | AA | Lc 83.2 | Fine for body text |
| #4A598E text on black | 3.11:1 | AA large text | Lc -18.8 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF2
oklch(93.7% 0.011 269.5)
-
Step 200
200
#D3D9E9
oklch(88.6% 0.023 269.4)
-
Step 300
300
#B6C0DD
oklch(80.9% 0.042 270.4)
-
Step 400
400
#909FCC
oklch(70.7% 0.068 270.3)
-
Step 500
500
#7687BF
oklch(63.2% 0.087 270.8)
-
Step 600
600
#5F70AB
oklch(55.7% 0.094 270.9)
-
Step 700
700 (this color)
#4A598E
oklch(47.6% 0.088 270.8)
-
Step 800
800
#404C77
oklch(42.6% 0.073 271.2)
-
Step 900
900
#364060
oklch(37.7% 0.057 270.3)
-
Step 950
950
#202538
oklch(26.9% 0.036 272.4)
#4A598E 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) | #455F90 | 0.017 |
| Deuteranopia (no green cones) | #3F598D | 0.014 |
| Tritanopia (no blue cones) | #30646D | 0.078 |
| Achromatopsia (no color) | #5B5B5B | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A598E
#4A598E
oklch(47.6% 0.088 270.8)
- #6F5A15
#6F5A15
oklch(47.6% 0.088 91)
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 #4A598E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.018
- Denim Blue #3B5B92 ΔE 0.019
- Twilight #4E518B ΔE 0.022
- Dusk #4E5481 ΔE 0.023
- Denim #3B638C ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.035
- Dusty Grape #545775 ΔE 0.042
- YInMn Blue #415A77 ΔE 0.042
Use #4A598E 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.