#3E556E
Closest named color: YInMn Blue (#415A77). oklch(44.1% 0.05 251.1), rgb(62, 85, 110).
Aa
White text reads best on this color (7.69:1).
About this color
#3E556E is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.050 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.020 away. White text reads best on it, at 7.69:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.72:1 |
| White text | 7.69:1 |
Values
| HEX | #3E556E |
| RGB | rgb(62, 85, 110) |
| HSL | hsl(211, 28%, 34%) |
| OKLCH | oklch(44.1% 0.05 251.1) |
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 #3E556E | 7.69:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #3E556E | 2.72:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #3E556E text on white | 7.69:1 | AAA | Lc 86.7 | Fine for body text |
| #3E556E text on black | 2.72:1 | Fails | Lc -15.4 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D1DAE4
oklch(88.4% 0.017 250.9)
-
Step 300
300
#B3C2D3
oklch(80.8% 0.029 251.5)
-
Step 400
400
#8BA3BD
oklch(70.6% 0.047 250.6)
-
Step 500
500
#6F8CAD
oklch(63% 0.06 252)
-
Step 600
600
#567699
oklch(55.5% 0.066 251.3)
-
Step 700
700
#476382
oklch(49.1% 0.06 251.6)
-
Step 800
800 (this color)
#3E556E
oklch(44.1% 0.05 251.1)
-
Step 900
900
#324356
oklch(37.7% 0.039 251.6)
-
Step 950
950
#1D2732
oklch(26.8% 0.025 251.2)
#3E556E 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) | #4B566F | 0.019 |
| Deuteranopia (no green cones) | #45516D | 0.014 |
| Tritanopia (no blue cones) | #2C5B5D | 0.045 |
| Achromatopsia (no color) | #535353 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E556E
#3E556E
oklch(44.1% 0.05 251.1)
- #654E34
#654E34
oklch(44.1% 0.05 69.4)
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 #3E556E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.020
- Dusty Grape #545775 ΔE 0.035
- Dusk #4E5481 ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.043
- Petrol #005F6A ΔE 0.052
- Deep Sea Blue #015482 ΔE 0.055
- Denim #3B638C ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.057
Use #3E556E 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.