#425B85
Closest named color: Denim Blue (#3B5B92). oklch(47% 0.075 260.4), rgb(66, 91, 133).
Aa
White text reads best on this color (6.84:1).
About this color
#425B85 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.075 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.022 away. White text reads best on it, at 6.84:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.06:1 |
| White text | 6.84:1 |
Values
| HEX | #425B85 |
| RGB | rgb(66, 91, 133) |
| HSL | hsl(218, 34%, 39%) |
| OKLCH | oklch(47% 0.075 260.4) |
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 #425B85 | 6.84:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #425B85 | 3.06:1 | AA large text | Lc 20.5 | Dividers and decoration only |
| #425B85 text on white | 6.84:1 | AA | Lc 83.6 | Fine for body text |
| #425B85 text on black | 3.06:1 | AA large text | Lc -18.4 | 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2DAE7
oklch(88.6% 0.02 260.2)
-
Step 300
300
#B3C1D9
oklch(80.8% 0.037 261.3)
-
Step 400
400
#8CA2C5
oklch(70.8% 0.057 259.6)
-
Step 500
500
#708AB7
oklch(63.1% 0.075 261.2)
-
Step 600
600
#5874A3
oklch(55.7% 0.081 260.5)
-
Step 700
700 (this color)
#425B85
oklch(47% 0.075 260.4)
-
Step 800
800
#3B4F71
oklch(42.6% 0.062 260.7)
-
Step 900
900
#33425B
oklch(37.7% 0.047 260.4)
-
Step 950
950
#1E2736
oklch(27.1% 0.031 260.5)
#425B85 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) | #4B5E87 | 0.016 |
| Deuteranopia (no green cones) | #435884 | 0.009 |
| Tritanopia (no blue cones) | #25646A | 0.067 |
| Achromatopsia (no color) | #5A5A5A | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425B85
#425B85
oklch(47% 0.075 260.4)
- #715625
#715625
oklch(47.1% 0.075 80.1)
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 #425B85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.022
- YInMn Blue #415A77 ΔE 0.023
- Light Navy Blue #2E5A88 ΔE 0.023
- Denim #3B638C ΔE 0.024
- Dusk #4E5481 ΔE 0.024
- Dusky Blue #475F94 ΔE 0.026
- Dusty Grape #545775 ΔE 0.034
- Twilight #4E518B ΔE 0.035
Use #425B85 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.