#4556A0
Closest named color: Denim Blue (#3B5B92). oklch(47.7% 0.121 271.4), rgb(69, 86, 160).
Aa
White text reads best on this color (6.79:1).
About this color
#4556A0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.121 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.031 away. White text reads best on it, at 6.79:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.09:1 |
| White text | 6.79:1 |
Values
| HEX | #4556A0 |
| RGB | rgb(69, 86, 160) |
| HSL | hsl(229, 40%, 45%) |
| OKLCH | oklch(47.7% 0.121 271.4) |
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 #4556A0 | 6.79:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #4556A0 | 3.09:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #4556A0 text on white | 6.79:1 | AA | Lc 83.2 | Fine for body text |
| #4556A0 text on black | 3.09:1 | AA large text | Lc -18.7 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D1D8EF
oklch(88.4% 0.033 272.2)
-
Step 300
300
#B3BFE7
oklch(80.9% 0.058 272)
-
Step 400
400
#8B9DDB
oklch(70.6% 0.093 271.4)
-
Step 500
500
#7084D2
oklch(63.1% 0.12 271.7)
-
Step 600
600
#596CBF
oklch(55.6% 0.13 271.9)
-
Step 700
700 (this color)
#4556A0
oklch(47.7% 0.121 271.4)
-
Step 800
800
#3C4A85
oklch(42.7% 0.099 271.6)
-
Step 900
900
#333E6B
oklch(37.7% 0.078 271.8)
-
Step 950
950
#1E253E
oklch(27.1% 0.048 271.1)
#4556A0 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) | #355FA3 | 0.028 |
| Deuteranopia (no green cones) | #29579E | 0.031 |
| Tritanopia (no blue cones) | #0F6673 | 0.107 |
| Achromatopsia (no color) | #5B5B5B | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4556A0
#4556A0
oklch(47.7% 0.121 271.4)
- #715A00
#715A00
oklch(47.7% 0.098 91.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4556A0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.031
- Dusky Blue #475F94 ΔE 0.035
- Twilight #4E518B ΔE 0.036
- Dusk Blue #26538D ΔE 0.049
- Dusk #4E5481 ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.051
- Denim #3B638C ΔE 0.055
- Blueberry #464196 ΔE 0.056
Use #4556A0 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.