#425683
Closest named color: Dusk (#4E5481). oklch(45.7% 0.078 265.2), rgb(66, 86, 131).
Aa
White text reads best on this color (7.26:1).
About this color
#425683 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.078 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 7.26:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.89:1 |
| White text | 7.26:1 |
Values
| HEX | #425683 |
| RGB | rgb(66, 86, 131) |
| HSL | hsl(222, 33%, 39%) |
| OKLCH | oklch(45.7% 0.078 265.2) |
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 #425683 | 7.26:1 | AAA | Lc -90.0 | Preferred for body text |
| Black text on #425683 | 2.89:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #425683 text on white | 7.26:1 | AAA | Lc 85.1 | Fine for body text |
| #425683 text on black | 2.89:1 | Fails | Lc -16.9 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D1D9EA
oklch(88.4% 0.025 265.6)
-
Step 300
300
#B2C1DF
oklch(80.9% 0.046 264.3)
-
Step 400
400
#8BA0CF
oklch(70.7% 0.073 265.9)
-
Step 500
500
#6E88C2
oklch(63% 0.093 265.3)
-
Step 600
600
#5671AF
oklch(55.5% 0.102 265.4)
-
Step 700
700
#465F96
oklch(49.1% 0.094 264.7)
-
Step 800
800 (this color)
#425683
oklch(45.7% 0.078 265.2)
-
Step 900
900
#324162
oklch(37.8% 0.06 265)
-
Step 950
950
#1D2639
oklch(27% 0.038 264.5)
#425683 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) | #455A85 | 0.013 |
| Deuteranopia (no green cones) | #3E5482 | 0.008 |
| Tritanopia (no blue cones) | #276066 | 0.071 |
| Achromatopsia (no color) | #575757 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425683
#425683
oklch(45.7% 0.078 265.2)
- #6B541D
#6B541D
oklch(45.8% 0.078 85.8)
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 #425683, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.017
- Light Navy Blue #2E5A88 ΔE 0.024
- Denim Blue #3B5B92 ΔE 0.026
- YInMn Blue #415A77 ΔE 0.026
- Twilight #4E518B ΔE 0.027
- Dusty Grape #545775 ΔE 0.034
- Dusky Blue #475F94 ΔE 0.036
- Dusk Blue #26538D ΔE 0.037
Use #425683 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.