#3D5575
Closest named color: YInMn Blue (#415A77). oklch(44.4% 0.061 255.8), rgb(61, 85, 117).
Aa
White text reads best on this color (7.62:1).
About this color
#3D5575 is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.061 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.017 away. White text reads best on it, at 7.62:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.75:1 |
| White text | 7.62:1 |
Values
| HEX | #3D5575 |
| RGB | rgb(61, 85, 117) |
| HSL | hsl(214, 31%, 35%) |
| OKLCH | oklch(44.4% 0.061 255.8) |
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 #3D5575 | 7.62:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #3D5575 | 2.75:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #3D5575 text on white | 7.62:1 | AAA | Lc 86.4 | Fine for body text |
| #3D5575 text on black | 2.75:1 | Fails | Lc -15.6 | 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 800.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D1DAE6
oklch(88.5% 0.019 255.5)
-
Step 300
300
#B2C2D8
oklch(80.9% 0.036 256.4)
-
Step 400
400
#8AA3C4
oklch(70.8% 0.056 255.5)
-
Step 500
500
#6C8CB5
oklch(63.2% 0.072 254.9)
-
Step 600
600
#5475A1
oklch(55.6% 0.079 255.9)
-
Step 700
700
#44628A
oklch(49% 0.074 255.9)
-
Step 800
800 (this color)
#3D5575
oklch(44.4% 0.061 255.8)
-
Step 900
900
#31435B
oklch(37.8% 0.047 255.8)
-
Step 950
950
#1D2735
oklch(27% 0.03 256.9)
#3D5575 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) | #495776 | 0.018 |
| Deuteranopia (no green cones) | #425174 | 0.013 |
| Tritanopia (no blue cones) | #265C60 | 0.054 |
| Achromatopsia (no color) | #545454 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D5575
#3D5575
oklch(44.4% 0.061 255.8)
- #674F2B
#674F2B
oklch(44.4% 0.061 76.2)
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 #3D5575, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.017
- Dusk #4E5481 ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.033
- Dusty Grape #545775 ΔE 0.034
- Denim Blue #3B5B92 ΔE 0.047
- Dusk Blue #26538D ΔE 0.047
- Twilight #4E518B ΔE 0.048
- Deep Sea Blue #015482 ΔE 0.048
Use #3D5575 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.