#425C84
Closest named color: YInMn Blue (#415A77). oklch(47.2% 0.072 258.8), rgb(66, 92, 132).
Aa
White text reads best on this color (6.78:1).
About this color
#425C84 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.072 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.021 away. White text reads best on it, at 6.78:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.09:1 |
| White text | 6.78:1 |
Values
| HEX | #425C84 |
| RGB | rgb(66, 92, 132) |
| HSL | hsl(216, 33%, 39%) |
| OKLCH | oklch(47.2% 0.072 258.8) |
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 #425C84 | 6.78:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #425C84 | 3.09:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #425C84 text on white | 6.78:1 | AA | Lc 83.3 | Fine for body text |
| #425C84 text on black | 3.09:1 | AA large text | Lc -18.6 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D1DAE6
oklch(88.5% 0.019 255.5)
-
Step 300
300
#B3C2D8
oklch(81% 0.035 257.9)
-
Step 400
400
#8CA2C4
oklch(70.7% 0.056 259)
-
Step 500
500
#6F8BB5
oklch(63.1% 0.071 258.3)
-
Step 600
600
#5774A1
oklch(55.5% 0.078 259)
-
Step 700
700 (this color)
#425C84
oklch(47.2% 0.072 258.8)
-
Step 800
800
#3B5070
oklch(42.8% 0.06 258.6)
-
Step 900
900
#32425B
oklch(37.7% 0.048 259.1)
-
Step 950
950
#1E2735
oklch(27.1% 0.029 259.1)
#425C84 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) | #4D5F86 | 0.018 |
| Deuteranopia (no green cones) | #455883 | 0.012 |
| Tritanopia (no blue cones) | #25656A | 0.065 |
| Achromatopsia (no color) | #5B5B5B | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425C84
#425C84
oklch(47.2% 0.072 258.8)
- #715628
#715628
oklch(47.1% 0.072 78.8)
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 #425C84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.021
- Denim #3B638C ΔE 0.022
- Light Navy Blue #2E5A88 ΔE 0.024
- Denim Blue #3B5B92 ΔE 0.025
- Dusk #4E5481 ΔE 0.026
- Dusky Blue #475F94 ΔE 0.027
- Dusty Grape #545775 ΔE 0.033
- Twilight #4E518B ΔE 0.039
Use #425C84 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.