#3D5271
Closest named color: YInMn Blue (#415A77). oklch(43.5% 0.058 258), rgb(61, 82, 113).
Aa
White text reads best on this color (7.94:1).
About this color
#3D5271 is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.058 and its hue 258°. 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 7.94:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.64:1 |
| White text | 7.94:1 |
Values
| HEX | #3D5271 |
| RGB | rgb(61, 82, 113) |
| HSL | hsl(216, 30%, 34%) |
| OKLCH | oklch(43.5% 0.058 258) |
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 #3D5271 | 7.94:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #3D5271 | 2.64:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #3D5271 text on white | 7.94:1 | AAA | Lc 87.5 | Fine for body text |
| #3D5271 text on black | 2.64:1 | Fails | Lc -14.6 | Not readable |
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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE6
oklch(88.6% 0.019 258.4)
-
Step 300
300
#B3C2D7
oklch(80.9% 0.034 256.8)
-
Step 400
400
#8CA2C3
oklch(70.7% 0.054 258.4)
-
Step 500
500
#6F8BB4
oklch(63.1% 0.07 257.8)
-
Step 600
600
#58759F
oklch(55.7% 0.074 257.6)
-
Step 700
700
#486288
oklch(49.2% 0.069 257.8)
-
Step 800
800 (this color)
#3D5271
oklch(43.5% 0.058 258)
-
Step 900
900
#33425A
oklch(37.7% 0.046 259.6)
-
Step 950
950
#1E2734
oklch(27% 0.028 257.5)
#3D5271 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) | #465472 | 0.015 |
| Deuteranopia (no green cones) | #414F70 | 0.010 |
| Tritanopia (no blue cones) | #29595D | 0.051 |
| Achromatopsia (no color) | #515151 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D5271
#3D5271
oklch(43.5% 0.058 258)
- #634D2B
#634D2B
oklch(43.5% 0.058 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 #3D5271, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.026
- Dusk #4E5481 ΔE 0.037
- Dusty Grape #545775 ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.041
- Deep Sea Blue #015482 ΔE 0.049
- Light Navy #155084 ΔE 0.050
- Dusk Blue #26538D ΔE 0.050
- Twilight #4E518B ΔE 0.052
Use #3D5271 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.