#3E5F71
Closest named color: YInMn Blue (#415A77). oklch(46.7% 0.048 233.1), rgb(62, 95, 113).
Aa
White text reads best on this color (6.81:1).
About this color
#3E5F71 is a medium-dark, muted blue. In OKLCH its lightness is 47%, its chroma 0.048 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.021 away. White text reads best on it, at 6.81:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.08:1 |
| White text | 6.81:1 |
Values
| HEX | #3E5F71 |
| RGB | rgb(62, 95, 113) |
| HSL | hsl(201, 29%, 34%) |
| OKLCH | oklch(46.7% 0.048 233.1) |
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 #3E5F71 | 6.81:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #3E5F71 | 3.08:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #3E5F71 text on white | 6.81:1 | AA | Lc 83.5 | Fine for body text |
| #3E5F71 text on black | 3.08:1 | AA large text | Lc -18.5 | 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 700.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBEE
oklch(93.7% 0.007 233.6)
-
Step 200
200
#D1DBE0
oklch(88.5% 0.013 228.9)
-
Step 300
300
#B3C4CD
oklch(81% 0.023 230.6)
-
Step 400
400
#8AA5B4
oklch(70.6% 0.037 232.3)
-
Step 500
500
#6D8FA2
oklch(63.1% 0.048 233)
-
Step 600
600
#54798D
oklch(55.6% 0.052 232.6)
-
Step 700
700 (this color)
#3E5F71
oklch(46.7% 0.048 233.1)
-
Step 800
800
#395362
oklch(42.8% 0.04 234.3)
-
Step 900
900
#314550
oklch(37.8% 0.031 232.7)
-
Step 950
950
#1D282F
oklch(27% 0.02 236.4)
#3E5F71 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) | #565E72 | 0.032 |
| Deuteranopia (no green cones) | #4F5871 | 0.029 |
| Tritanopia (no blue cones) | #296465 | 0.036 |
| Achromatopsia (no color) | #5B5B5B | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E5F71
#3E5F71
oklch(46.7% 0.048 233.1)
- #705341
#705341
oklch(46.8% 0.048 53)
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 #3E5F71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.021
- Slate #516572 ΔE 0.032
- Dusty Grape #545775 ΔE 0.039
- Denim #3B638C ΔE 0.043
- Petrol #005F6A ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.048
- Dark Aqua #05696B ΔE 0.049
- Dusk #4E5481 ΔE 0.052
Use #3E5F71 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.