#3D5669
Closest named color: YInMn Blue (#415A77). oklch(44.1% 0.044 241.7), rgb(61, 86, 105).
Aa
White text reads best on this color (7.68:1).
About this color
#3D5669 is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.044 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.025 away. White text reads best on it, at 7.68:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.73:1 |
| White text | 7.68:1 |
Values
| HEX | #3D5669 |
| RGB | rgb(61, 86, 105) |
| HSL | hsl(206, 27%, 33%) |
| OKLCH | oklch(44.1% 0.044 241.7) |
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 #3D5669 | 7.68:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #3D5669 | 2.73:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #3D5669 text on white | 7.68:1 | AAA | Lc 86.6 | Fine for body text |
| #3D5669 text on black | 2.73:1 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBEE
oklch(93.7% 0.007 233.6)
-
Step 200
200
#D1DAE2
oklch(88.4% 0.015 244.7)
-
Step 300
300
#B3C3D0
oklch(80.9% 0.025 242.4)
-
Step 400
400
#8BA4B8
oklch(70.6% 0.041 242.4)
-
Step 500
500
#6E8EA7
oklch(63.2% 0.052 242.1)
-
Step 600
600
#557892
oklch(55.6% 0.057 241.2)
-
Step 700
700
#45657C
oklch(49.1% 0.053 240.4)
-
Step 800
800 (this color)
#3D5669
oklch(44.1% 0.044 241.7)
-
Step 900
900
#314452
oklch(37.6% 0.034 240.7)
-
Step 950
950
#1D2830
oklch(27% 0.021 240.1)
#3D5669 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) | #4E566A | 0.024 |
| Deuteranopia (no green cones) | #485169 | 0.020 |
| Tritanopia (no blue cones) | #2D5B5C | 0.036 |
| Achromatopsia (no color) | #535353 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D5669
#3D5669
oklch(44.1% 0.044 241.7)
- #654D3A
#654D3A
oklch(44% 0.044 59.7)
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 #3D5669, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.025
- Dusty Grape #545775 ΔE 0.040
- Petrol #005F6A ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.050
- Dusk #4E5481 ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.051
- Deep Teal #00555A ΔE 0.056
- Slate #516572 ΔE 0.056
Use #3D5669 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.