#425477
Closest named color: YInMn Blue (#415A77). oklch(44.6% 0.062 263.2), rgb(66, 84, 119).
Aa
White text reads best on this color (7.59:1).
About this color
#425477 is a dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.062 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.018 away. White text reads best on it, at 7.59:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.76:1 |
| White text | 7.59:1 |
Values
| HEX | #425477 |
| RGB | rgb(66, 84, 119) |
| HSL | hsl(220, 29%, 36%) |
| OKLCH | oklch(44.6% 0.062 263.2) |
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 #425477 | 7.59:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #425477 | 2.76:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #425477 text on white | 7.59:1 | AAA | Lc 86.3 | Fine for body text |
| #425477 text on black | 2.76:1 | Fails | Lc -15.7 | 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 800.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2D9E7
oklch(88.4% 0.021 264.5)
-
Step 300
300
#B4C1D9
oklch(80.9% 0.037 262.8)
-
Step 400
400
#8EA1C6
oklch(70.7% 0.058 263.6)
-
Step 500
500
#7289B7
oklch(63% 0.075 263.8)
-
Step 600
600
#5A73A3
oklch(55.6% 0.081 262.9)
-
Step 700
700
#4A608C
oklch(49.1% 0.076 263.5)
-
Step 800
800 (this color)
#425477
oklch(44.6% 0.062 263.2)
-
Step 900
900
#34415C
oklch(37.6% 0.05 264.3)
-
Step 950
950
#1F2636
oklch(26.9% 0.032 266.1)
#425477 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) | #475779 | 0.012 |
| Deuteranopia (no green cones) | #425276 | 0.006 |
| Tritanopia (no blue cones) | #2F5B60 | 0.055 |
| Achromatopsia (no color) | #545454 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425477
#425477
oklch(44.6% 0.062 263.2)
- #65512A
#65512A
oklch(44.6% 0.062 82.7)
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 #425477, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.018
- Dusk #4E5481 ΔE 0.025
- Dusty Grape #545775 ΔE 0.029
- Light Navy Blue #2E5A88 ΔE 0.034
- Twilight #4E518B ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.044
- Dusk Blue #26538D ΔE 0.047
- Denim #3B638C ΔE 0.049
Use #425477 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.