#425EA6
Closest named color: Dusky Blue (#475F94). oklch(49.6% 0.12 266.2), rgb(66, 94, 166).
Aa
White text reads best on this color (6.20:1).
About this color
#425EA6 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.120 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.030 away. White text reads best on it, at 6.20:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.38:1 |
| White text | 6.20:1 |
Values
| HEX | #425EA6 |
| RGB | rgb(66, 94, 166) |
| HSL | hsl(223, 43%, 45%) |
| OKLCH | oklch(49.6% 0.12 266.2) |
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 #425EA6 | 6.20:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #425EA6 | 3.38:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #425EA6 text on white | 6.20:1 | AA | Lc 80.7 | Fine for body text |
| #425EA6 text on black | 3.38:1 | AA large text | Lc -21.1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#CFD9EF
oklch(88.4% 0.032 266.1)
-
Step 300
300
#AFC0E7
oklch(80.8% 0.058 266.6)
-
Step 400
400
#869FDB
oklch(70.7% 0.093 266.7)
-
Step 500
500
#6886D1
oklch(63% 0.119 266.5)
-
Step 600
600
#506FBE
oklch(55.6% 0.128 266.2)
-
Step 700
700 (this color)
#425EA6
oklch(49.6% 0.12 266.2)
-
Step 800
800
#354C85
oklch(42.7% 0.099 265.8)
-
Step 900
900
#2E406B
oklch(37.8% 0.077 265.7)
-
Step 950
950
#1B253E
oklch(26.8% 0.049 266.6)
#425EA6 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) | #3E66A9 | 0.022 |
| Deuteranopia (no green cones) | #305DA4 | 0.020 |
| Tritanopia (no blue cones) | #006E7A | 0.104 |
| Achromatopsia (no color) | #616161 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425EA6
#425EA6
oklch(49.6% 0.12 266.2)
- #7C5D00
#7C5D00
oklch(49.7% 0.102 85.9)
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 #425EA6, closest first.
No curated palette has a color within ΔE 0.04 of #425EA6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.030
- Denim Blue #3B5B92 ΔE 0.034
- French Blue #436BAD ΔE 0.036
- Mid Blue #276AB3 ΔE 0.039
- Denim #3B638C ΔE 0.048
- Twilight #4E518B ΔE 0.052
- Light Navy Blue #2E5A88 ΔE 0.055
- Peacock Blue #016795 ΔE 0.057
Use #425EA6 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.