#4558A2
Closest named color: Denim Blue (#3B5B92). oklch(48.3% 0.121 270.5), rgb(69, 88, 162).
Aa
White text reads best on this color (6.62:1).
About this color
#4558A2 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 0.032 away. White text reads best on it, at 6.62:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.17:1 |
| White text | 6.62:1 |
Values
| HEX | #4558A2 |
| RGB | rgb(69, 88, 162) |
| HSL | hsl(228, 40%, 45%) |
| OKLCH | oklch(48.3% 0.121 270.5) |
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 #4558A2 | 6.62:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #4558A2 | 3.17:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #4558A2 text on white | 6.62:1 | AA | Lc 82.6 | Fine for body text |
| #4558A2 text on black | 3.17:1 | AA large text | Lc -19.4 | 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
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D1D9EF
oklch(88.6% 0.031 269.8)
-
Step 300
300
#B2BFE7
oklch(80.8% 0.058 270.9)
-
Step 400
400
#8A9EDB
oklch(70.7% 0.093 270)
-
Step 500
500
#6E84D2
oklch(63% 0.12 270.7)
-
Step 600
600
#576DBF
oklch(55.7% 0.13 270.4)
-
Step 700
700 (this color)
#4558A2
oklch(48.3% 0.121 270.5)
-
Step 800
800
#3A4A85
oklch(42.6% 0.1 270.3)
-
Step 900
900
#323E6B
oklch(37.6% 0.079 270.9)
-
Step 950
950
#1D253F
oklch(27.1% 0.05 269.9)
#4558A2 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) | #3761A5 | 0.027 |
| Deuteranopia (no green cones) | #2A59A0 | 0.029 |
| Tritanopia (no blue cones) | #096875 | 0.107 |
| Achromatopsia (no color) | #5D5D5D | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4558A2
#4558A2
oklch(48.3% 0.121 270.5)
- #745B00
#745B00
oklch(48.3% 0.099 90)
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 #4558A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.032
- Dusky Blue #475F94 ΔE 0.033
- Twilight #4E518B ΔE 0.039
- Dusk Blue #26538D ΔE 0.052
- Light Navy Blue #2E5A88 ΔE 0.052
- French Blue #436BAD ΔE 0.053
- Dusk #4E5481 ΔE 0.053
- Denim #3B638C ΔE 0.054
Use #4558A2 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.