#425C69
Closest named color: YInMn Blue (#415A77). oklch(45.9% 0.038 230.2), rgb(66, 92, 105).
Aa
White text reads best on this color (7.07:1).
About this color
#425C69 is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.038 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.026 away. White text reads best on it, at 7.07:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #425C69 |
| RGB | rgb(66, 92, 105) |
| HSL | hsl(200, 23%, 34%) |
| OKLCH | oklch(45.9% 0.038 230.2) |
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 #425C69 | 7.07:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #425C69 | 2.96:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #425C69 text on white | 7.07:1 | AAA | Lc 84.5 | Fine for body text |
| #425C69 text on black | 2.96:1 | Fails | Lc -17.5 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EAED
oklch(93.5% 0.006 239.8)
-
Step 200
200
#D3DADF
oklch(88.4% 0.01 238.5)
-
Step 300
300
#B5C3CA
oklch(80.9% 0.018 229.1)
-
Step 400
400
#8FA4B0
oklch(70.6% 0.029 232.9)
-
Step 500
500
#738E9C
oklch(63.1% 0.037 230.6)
-
Step 600
600
#5B7887
oklch(55.6% 0.041 230.9)
-
Step 700
700 (this color)
#425C69
oklch(45.9% 0.038 230.2)
-
Step 800
800
#3E525D
oklch(42.6% 0.031 232.5)
-
Step 900
900
#35444C
oklch(37.7% 0.024 231.5)
-
Step 950
950
#1F282D
oklch(27% 0.016 232.4)
#425C69 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) | #565B6A | 0.028 |
| Deuteranopia (no green cones) | #505669 | 0.025 |
| Tritanopia (no blue cones) | #346060 | 0.028 |
| Achromatopsia (no color) | #585858 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425C69
#425C69
oklch(45.9% 0.038 230.2)
- #695245
#695245
oklch(45.9% 0.037 50.9)
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 #425C69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.026
- Slate #516572 ΔE 0.037
- Dusty Grape #545775 ΔE 0.038
- Petrol #005F6A ΔE 0.046
- Dark Aqua #05696B ΔE 0.054
- Dusk #4E5481 ΔE 0.055
- Dark Green Blue #1F6357 ΔE 0.055
- Denim #3B638C ΔE 0.055
Use #425C69 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.