#425EAD
Closest named color: French Blue (#436BAD). oklch(50.1% 0.13 267), rgb(66, 94, 173).
Aa
White text reads best on this color (6.11:1).
About this color
#425EAD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.130 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.036 away. White text reads best on it, at 6.11:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.43:1 |
| White text | 6.11:1 |
Values
| HEX | #425EAD |
| RGB | rgb(66, 94, 173) |
| HSL | hsl(224, 45%, 47%) |
| OKLCH | oklch(50.1% 0.13 267) |
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 #425EAD | 6.11:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #425EAD | 3.43:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #425EAD text on white | 6.11:1 | AA | Lc 80.3 | Fine for body text |
| #425EAD text on black | 3.43:1 | AA large text | Lc -21.6 | 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
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F1
oklch(88.5% 0.035 267.6)
-
Step 300
300
#AEC0EA
oklch(80.8% 0.063 266.8)
-
Step 400
400
#849FE0
oklch(70.8% 0.1 266.6)
-
Step 500
500
#6685D7
oklch(63% 0.129 267)
-
Step 600
600
#4E6DC5
oklch(55.5% 0.141 267.1)
-
Step 700
700 (this color)
#425EAD
oklch(50.1% 0.13 267)
-
Step 800
800
#344B89
oklch(42.7% 0.107 266.6)
-
Step 900
900
#2D3F6E
oklch(37.7% 0.084 266.6)
-
Step 950
950
#1B2540
oklch(27% 0.052 267.5)
#425EAD 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) | #3967B0 | 0.025 |
| Deuteranopia (no green cones) | #285DAB | 0.026 |
| Tritanopia (no blue cones) | #00707D | 0.112 |
| Achromatopsia (no color) | #626262 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425EAD
#425EAD
oklch(50.1% 0.13 267)
- #7D5F00
#7D5F00
oklch(50.2% 0.103 87)
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 #425EAD, closest first.
No curated palette has a color within ΔE 0.04 of #425EAD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.036
- Mid Blue #276AB3 ΔE 0.037
- Dusky Blue #475F94 ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.045
- Denim #3B638C ΔE 0.059
- Iris #6258C4 ΔE 0.059
- Twilight #4E518B ΔE 0.060
- Flat Blue #3C73A8 ΔE 0.061
Use #425EAD 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.