#425597
Closest named color: Denim Blue (#3B5B92). oklch(46.7% 0.109 269.7), rgb(66, 85, 151).
Aa
White text reads best on this color (7.05:1).
About this color
#425597 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.109 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.021 away. White text reads best on it, at 7.05:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.97:1 |
| White text | 7.05:1 |
Values
| HEX | #425597 |
| RGB | rgb(66, 85, 151) |
| HSL | hsl(227, 39%, 43%) |
| OKLCH | oklch(46.7% 0.109 269.7) |
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 #425597 | 7.05:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #425597 | 2.97:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #425597 text on white | 7.05:1 | AAA | Lc 84.3 | Fine for body text |
| #425597 text on black | 2.97:1 | Fails | Lc -17.7 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D1D9ED
oklch(88.5% 0.029 268.3)
-
Step 300
300
#B3C0E4
oklch(81% 0.053 269.6)
-
Step 400
400
#8C9ED6
oklch(70.6% 0.085 270.4)
-
Step 500
500
#7086CB
oklch(63.2% 0.107 269.7)
-
Step 600
600
#586EB8
oklch(55.5% 0.118 269.8)
-
Step 700
700 (this color)
#425597
oklch(46.7% 0.109 269.7)
-
Step 800
800
#3B4B81
oklch(42.6% 0.092 269.7)
-
Step 900
900
#333F67
oklch(37.7% 0.07 270.1)
-
Step 950
950
#1E253C
oklch(27% 0.044 270.3)
#425597 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) | #395D9A | 0.023 |
| Deuteranopia (no green cones) | #2E5596 | 0.023 |
| Tritanopia (no blue cones) | #12636E | 0.098 |
| Achromatopsia (no color) | #595959 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425597
#425597
oklch(46.7% 0.109 269.7)
- #6F5700
#6F5700
oklch(46.8% 0.096 90.1)
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 #425597, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.021
- Twilight #4E518B ΔE 0.025
- Dusky Blue #475F94 ΔE 0.032
- Dusk Blue #26538D ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.038
- Dusk #4E5481 ΔE 0.038
- Denim #3B638C ΔE 0.048
- Blueberry #464196 ΔE 0.053
Use #425597 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.