#425C83
Closest named color: YInMn Blue (#415A77). oklch(47.1% 0.071 258.3), rgb(66, 92, 131).
Aa
White text reads best on this color (6.79:1).
About this color
#425C83 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.071 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.020 away. White text reads best on it, at 6.79:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.09:1 |
| White text | 6.79:1 |
Values
| HEX | #425C83 |
| RGB | rgb(66, 92, 131) |
| HSL | hsl(216, 33%, 39%) |
| OKLCH | oklch(47.1% 0.071 258.3) |
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 #425C83 | 6.79:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #425C83 | 3.09:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #425C83 text on white | 6.79:1 | AA | Lc 83.4 | Fine for body text |
| #425C83 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
#D2DAE6
oklch(88.6% 0.019 258.4)
-
Step 300
300
#B3C2D7
oklch(80.9% 0.034 256.8)
-
Step 400
400
#8CA2C3
oklch(70.7% 0.054 258.4)
-
Step 500
500
#6F8BB4
oklch(63.1% 0.07 257.8)
-
Step 600
600
#5774A0
oklch(55.5% 0.077 258.5)
-
Step 700
700 (this color)
#425C83
oklch(47.1% 0.071 258.3)
-
Step 800
800
#3B506F
oklch(42.8% 0.058 258)
-
Step 900
900
#32425A
oklch(37.6% 0.046 258.3)
-
Step 950
950
#1E2735
oklch(27.1% 0.029 259.1)
#425C83 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) | #4D5E85 | 0.017 |
| Deuteranopia (no green cones) | #465882 | 0.012 |
| Tritanopia (no blue cones) | #26656A | 0.063 |
| Achromatopsia (no color) | #5B5B5B | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425C83
#425C83
oklch(47.1% 0.071 258.3)
- #715629
#715629
oklch(47.1% 0.071 78.3)
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 #425C83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.020
- Denim #3B638C ΔE 0.022
- Light Navy Blue #2E5A88 ΔE 0.025
- Dusk #4E5481 ΔE 0.026
- Denim Blue #3B5B92 ΔE 0.026
- Dusky Blue #475F94 ΔE 0.029
- Dusty Grape #545775 ΔE 0.032
- Twilight #4E518B ΔE 0.040
Use #425C83 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.