#425688
Closest named color: Dusk (#4E5481). oklch(46% 0.086 266.5), rgb(66, 86, 136).
Aa
White text reads best on this color (7.19:1).
About this color
#425688 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.086 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.019 away. White text reads best on it, at 7.19:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.91:1 |
| White text | 7.19:1 |
Values
| HEX | #425688 |
| RGB | rgb(66, 86, 136) |
| HSL | hsl(223, 35%, 40%) |
| OKLCH | oklch(46% 0.086 266.5) |
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 #425688 | 7.19:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #425688 | 2.91:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #425688 text on white | 7.19:1 | AAA | Lc 84.9 | Fine for body text |
| #425688 text on black | 2.91:1 | Fails | Lc -17.1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D2D9E9
oklch(88.5% 0.023 266.9)
-
Step 300
300
#B4C1DC
oklch(81% 0.041 265)
-
Step 400
400
#8EA0CB
oklch(70.7% 0.066 267)
-
Step 500
500
#7288BD
oklch(63.1% 0.084 266.7)
-
Step 600
600
#5A71AA
oklch(55.5% 0.093 266.7)
-
Step 700
700 (this color)
#425688
oklch(46% 0.086 266.5)
-
Step 800
800
#3D4E76
oklch(42.8% 0.07 266)
-
Step 900
900
#34415F
oklch(37.8% 0.054 265.9)
-
Step 950
950
#1F2638
oklch(27.1% 0.035 267.7)
#425688 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) | #435B8A | 0.015 |
| Deuteranopia (no green cones) | #3B5487 | 0.011 |
| Tritanopia (no blue cones) | #246168 | 0.078 |
| Achromatopsia (no color) | #575757 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425688
#425688
oklch(46% 0.086 266.5)
- #6D5413
#6D5413
oklch(46% 0.085 86.2)
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 #425688, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.019
- Denim Blue #3B5B92 ΔE 0.020
- Twilight #4E518B ΔE 0.022
- Light Navy Blue #2E5A88 ΔE 0.024
- Dusky Blue #475F94 ΔE 0.031
- YInMn Blue #415A77 ΔE 0.034
- Dusk Blue #26538D ΔE 0.034
- Denim #3B638C ΔE 0.037
Use #425688 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.