#425564
Closest named color: YInMn Blue (#415A77). oklch(44% 0.034 242.3), rgb(66, 85, 100).
Aa
White text reads best on this color (7.73:1).
About this color
#425564 is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.034 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.031 away. White text reads best on it, at 7.73:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.71:1 |
| White text | 7.73:1 |
Values
| HEX | #425564 |
| RGB | rgb(66, 85, 100) |
| HSL | hsl(206, 20%, 33%) |
| OKLCH | oklch(44% 0.034 242.3) |
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 #425564 | 7.73:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #425564 | 2.71:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #425564 text on white | 7.73:1 | AAA | Lc 86.9 | Fine for body text |
| #425564 text on black | 2.71:1 | Fails | Lc -15.2 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D3DAE0
oklch(88.5% 0.011 243.7)
-
Step 300
300
#B6C2CD
oklch(80.8% 0.02 245.7)
-
Step 400
400
#90A3B3
oklch(70.6% 0.032 243.6)
-
Step 500
500
#748DA1
oklch(63.1% 0.042 242.5)
-
Step 600
600
#5D778C
oklch(55.7% 0.045 243)
-
Step 700
700
#4C6477
oklch(49.1% 0.042 242.5)
-
Step 800
800 (this color)
#425564
oklch(44% 0.034 242.3)
-
Step 900
900
#35444F
oklch(37.8% 0.027 240.2)
-
Step 950
950
#1F282E
oklch(27.1% 0.017 237.4)
#425564 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) | #4F5565 | 0.019 |
| Deuteranopia (no green cones) | #4A5164 | 0.016 |
| Tritanopia (no blue cones) | #37595A | 0.028 |
| Achromatopsia (no color) | #535353 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425564
#425564
oklch(44% 0.034 242.3)
- #604E3F
#604E3F
oklch(43.8% 0.034 61.6)
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 #425564, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.031
- Dusty Grape #545775 ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.046
- Petrol #005F6A ΔE 0.052
- Dusk #4E5481 ΔE 0.054
- Slate #516572 ΔE 0.056
- Deep Teal #00555A ΔE 0.058
- Light Navy Blue #2E5A88 ΔE 0.060
Use #425564 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.