#425DA7
Closest named color: Dusky Blue (#475F94). oklch(49.5% 0.123 266.8), rgb(66, 93, 167).
Aa
White text reads best on this color (6.25:1).
About this color
#425DA7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.123 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.033 away. White text reads best on it, at 6.25:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.35:1 |
| White text | 6.25:1 |
Values
| HEX | #425DA7 |
| RGB | rgb(66, 93, 167) |
| HSL | hsl(224, 43%, 46%) |
| OKLCH | oklch(49.5% 0.123 266.8) |
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 #425DA7 | 6.25:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #425DA7 | 3.35:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #425DA7 text on white | 6.25:1 | AA | Lc 81.0 | Fine for body text |
| #425DA7 text on black | 3.35:1 | AA large text | Lc -20.9 | 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 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
#CFD9F0
oklch(88.5% 0.033 266.9)
-
Step 300
300
#AFC0E8
oklch(80.8% 0.06 267)
-
Step 400
400
#869FDC
oklch(70.7% 0.094 266.9)
-
Step 500
500
#6886D3
oklch(63.1% 0.121 266.8)
-
Step 600
600
#506EC0
oklch(55.5% 0.132 267)
-
Step 700
700 (this color)
#425DA7
oklch(49.5% 0.123 266.8)
-
Step 800
800
#364B86
oklch(42.6% 0.101 267.3)
-
Step 900
900
#2E3F6C
oklch(37.6% 0.08 266.9)
-
Step 950
950
#1B253F
oklch(26.9% 0.051 267)
#425DA7 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) | #3B65AA | 0.022 |
| Deuteranopia (no green cones) | #2D5CA5 | 0.023 |
| Tritanopia (no blue cones) | #006E7A | 0.107 |
| Achromatopsia (no color) | #606060 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425DA7
#425DA7
oklch(49.5% 0.123 266.8)
- #7B5D00
#7B5D00
oklch(49.5% 0.101 86.6)
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 #425DA7, closest first.
No curated palette has a color within ΔE 0.04 of #425DA7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.033
- Denim Blue #3B5B92 ΔE 0.035
- French Blue #436BAD ΔE 0.039
- Mid Blue #276AB3 ΔE 0.041
- Denim #3B638C ΔE 0.051
- Twilight #4E518B ΔE 0.052
- Light Navy Blue #2E5A88 ΔE 0.056
- Dusk Blue #26538D ΔE 0.060
Use #425DA7 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.