#425B98
Closest named color: Denim Blue (#3B5B92). oklch(48.1% 0.103 265.8), rgb(66, 91, 152).
Aa
White text reads best on this color (6.60:1).
About this color
#425B98 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.103 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.013 away. White text reads best on it, at 6.60:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.18:1 |
| White text | 6.60:1 |
Values
| HEX | #425B98 |
| RGB | rgb(66, 91, 152) |
| HSL | hsl(223, 39%, 43%) |
| OKLCH | oklch(48.1% 0.103 265.8) |
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 #425B98 | 6.60:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #425B98 | 3.18:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #425B98 text on white | 6.60:1 | AA | Lc 82.5 | Fine for body text |
| #425B98 text on black | 3.18:1 | AA large text | Lc -19.4 | 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
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9EC
oklch(88.4% 0.028 265.4)
-
Step 300
300
#B1C1E2
oklch(81% 0.05 264.8)
-
Step 400
400
#89A0D3
oklch(70.7% 0.079 265.6)
-
Step 500
500
#6C88C8
oklch(63.2% 0.102 265.6)
-
Step 600
600
#5470B4
oklch(55.5% 0.111 266)
-
Step 700
700 (this color)
#425B98
oklch(48.1% 0.103 265.8)
-
Step 800
800
#394D7E
oklch(42.8% 0.085 266.1)
-
Step 900
900
#314065
oklch(37.6% 0.067 266.5)
-
Step 950
950
#1D263B
oklch(27.1% 0.041 266)
#425B98 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) | #42619A | 0.017 |
| Deuteranopia (no green cones) | #375997 | 0.015 |
| Tritanopia (no blue cones) | #0E6872 | 0.092 |
| Achromatopsia (no color) | #5D5D5D | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425B98
#425B98
oklch(48.1% 0.103 265.8)
- #775900
#775900
oklch(48.2% 0.099 85.7)
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 #425B98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.013
- Dusky Blue #475F94 ΔE 0.016
- Twilight #4E518B ΔE 0.033
- Denim #3B638C ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.036
- Dusk #4E5481 ΔE 0.040
- Dusk Blue #26538D ΔE 0.044
- French Blue #436BAD ΔE 0.051
Use #425B98 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.