#425E85
Closest named color: Denim (#3B638C). oklch(47.7% 0.072 256.8), rgb(66, 94, 133).
Aa
White text reads best on this color (6.62:1).
About this color
#425E85 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.072 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.017 away. White text reads best on it, at 6.62:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.17:1 |
| White text | 6.62:1 |
Values
| HEX | #425E85 |
| RGB | rgb(66, 94, 133) |
| HSL | hsl(215, 34%, 39%) |
| OKLCH | oklch(47.7% 0.072 256.8) |
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 #425E85 | 6.62:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #425E85 | 3.17:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #425E85 text on white | 6.62:1 | AA | Lc 82.7 | Fine for body text |
| #425E85 text on black | 3.17:1 | AA large text | Lc -19.3 | 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
#D1DAE6
oklch(88.5% 0.019 255.5)
-
Step 300
300
#B3C2D7
oklch(80.9% 0.034 256.8)
-
Step 400
400
#8BA2C4
oklch(70.7% 0.056 258)
-
Step 500
500
#6E8BB4
oklch(63% 0.07 257.1)
-
Step 600
600
#5675A0
oklch(55.7% 0.076 256.7)
-
Step 700
700 (this color)
#425E85
oklch(47.7% 0.072 256.8)
-
Step 800
800
#3A506F
oklch(42.7% 0.059 257)
-
Step 900
900
#32425A
oklch(37.6% 0.046 258.3)
-
Step 950
950
#1D2735
oklch(27% 0.03 256.9)
#425E85 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) | #4F6087 | 0.019 |
| Deuteranopia (no green cones) | #475A84 | 0.012 |
| Tritanopia (no blue cones) | #24676C | 0.064 |
| Achromatopsia (no color) | #5D5D5D | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425E85
#425E85
oklch(47.7% 0.072 256.8)
- #74572B
#74572B
oklch(47.7% 0.072 76)
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 #425E85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.017
- YInMn Blue #415A77 ΔE 0.024
- Dusky Blue #475F94 ΔE 0.026
- Denim Blue #3B5B92 ΔE 0.026
- Light Navy Blue #2E5A88 ΔE 0.027
- Dusk #4E5481 ΔE 0.031
- Dusty Grape #545775 ΔE 0.035
- Twilight #4E518B ΔE 0.043
Use #425E85 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.