#425681
Closest named color: Dusk (#4E5481). oklch(45.6% 0.075 264.6), rgb(66, 86, 129).
Aa
White text reads best on this color (7.29:1).
About this color
#425681 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.075 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.017 away. White text reads best on it, at 7.29:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.87:1 |
| White text | 7.29:1 |
Values
| HEX | #425681 |
| RGB | rgb(66, 86, 129) |
| HSL | hsl(221, 32%, 38%) |
| OKLCH | oklch(45.6% 0.075 264.6) |
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 #425681 | 7.29:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #425681 | 2.87:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #425681 text on white | 7.29:1 | AAA | Lc 85.3 | Fine for body text |
| #425681 text on black | 2.87:1 | Fails | Lc -16.8 | 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 800.
-
Step 50
50
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D1D9EA
oklch(88.4% 0.025 265.6)
-
Step 300
300
#B3C1DE
oklch(81% 0.044 264.9)
-
Step 400
400
#8BA0CD
oklch(70.6% 0.07 265.2)
-
Step 500
500
#6E89C0
oklch(63.2% 0.089 263.9)
-
Step 600
600
#5772AD
oklch(55.7% 0.098 264.7)
-
Step 700
700
#475F94
oklch(49.1% 0.09 264.8)
-
Step 800
800 (this color)
#425681
oklch(45.6% 0.075 264.6)
-
Step 900
900
#324161
oklch(37.7% 0.059 264.6)
-
Step 950
950
#1D2639
oklch(27% 0.038 264.5)
#425681 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) | #465A83 | 0.014 |
| Deuteranopia (no green cones) | #3F5480 | 0.008 |
| Tritanopia (no blue cones) | #295F65 | 0.068 |
| Achromatopsia (no color) | #565656 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425681
#425681
oklch(45.6% 0.075 264.6)
- #6A5320
#6A5320
oklch(45.5% 0.075 84.5)
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 #425681, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.017
- YInMn Blue #415A77 ΔE 0.023
- Light Navy Blue #2E5A88 ΔE 0.024
- Denim Blue #3B5B92 ΔE 0.029
- Twilight #4E518B ΔE 0.029
- Dusty Grape #545775 ΔE 0.032
- Dusky Blue #475F94 ΔE 0.038
- Denim #3B638C ΔE 0.038
Use #425681 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.