#425B7E
Closest named color: YInMn Blue (#415A77). oklch(46.6% 0.065 256.9), rgb(66, 91, 126).
Aa
White text reads best on this color (6.93:1).
About this color
#425B7E is a medium-dark, muted blue. In OKLCH its lightness is 47%, its chroma 0.065 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.012 away. White text reads best on it, at 6.93:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.02:1 |
| White text | 6.93:1 |
Values
| HEX | #425B7E |
| RGB | rgb(66, 91, 126) |
| HSL | hsl(215, 31%, 38%) |
| OKLCH | oklch(46.6% 0.065 256.9) |
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 #425B7E | 6.93:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #425B7E | 3.02:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #425B7E text on white | 6.93:1 | AA | Lc 83.9 | Fine for body text |
| #425B7E text on black | 3.02:1 | AA large text | Lc -18.0 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE5
oklch(88.6% 0.017 256.3)
-
Step 300
300
#B4C2D5
oklch(80.9% 0.031 256)
-
Step 400
400
#8DA2C0
oklch(70.6% 0.05 257.3)
-
Step 500
500
#718BB0
oklch(63.1% 0.064 257.2)
-
Step 600
600
#59759C
oklch(55.6% 0.069 256.8)
-
Step 700
700 (this color)
#425B7E
oklch(46.6% 0.065 256.9)
-
Step 800
800
#3C506C
oklch(42.7% 0.053 256.9)
-
Step 900
900
#334258
oklch(37.6% 0.043 257.8)
-
Step 950
950
#1E2733
oklch(27% 0.026 255.7)
#425B7E 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) | #4E5D80 | 0.018 |
| Deuteranopia (no green cones) | #47577D | 0.013 |
| Tritanopia (no blue cones) | #2A6367 | 0.058 |
| Achromatopsia (no color) | #5A5A5A | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425B7E
#425B7E
oklch(46.6% 0.065 256.9)
- #6E552E
#6E552E
oklch(46.6% 0.064 77.2)
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 #425B7E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.012
- Dusk #4E5481 ΔE 0.027
- Light Navy Blue #2E5A88 ΔE 0.027
- Dusty Grape #545775 ΔE 0.028
- Denim #3B638C ΔE 0.028
- Denim Blue #3B5B92 ΔE 0.033
- Dusky Blue #475F94 ΔE 0.037
- Twilight #4E518B ΔE 0.043
Use #425B7E 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.