#3D596A
Closest named color: YInMn Blue (#415A77). oklch(44.9% 0.044 235.7), rgb(61, 89, 106).
Aa
White text reads best on this color (7.40:1).
About this color
#3D596A is a dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.044 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.022 away. White text reads best on it, at 7.40:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.83:1 |
| White text | 7.40:1 |
Values
| HEX | #3D596A |
| RGB | rgb(61, 89, 106) |
| HSL | hsl(203, 27%, 33%) |
| OKLCH | oklch(44.9% 0.044 235.7) |
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 #3D596A | 7.40:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #3D596A | 2.83:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #3D596A text on white | 7.40:1 | AAA | Lc 85.7 | Fine for body text |
| #3D596A text on black | 2.83:1 | Fails | Lc -16.4 | 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
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D1DBE1
oklch(88.6% 0.014 233.8)
-
Step 300
300
#B2C4CF
oklch(81% 0.025 234.5)
-
Step 400
400
#89A5B7
oklch(70.7% 0.041 236.4)
-
Step 500
500
#6B8FA5
oklch(63.1% 0.052 235.5)
-
Step 600
600
#527990
oklch(55.6% 0.057 235.1)
-
Step 700
700
#43667B
oklch(49.2% 0.052 235.7)
-
Step 800
800 (this color)
#3D596A
oklch(44.9% 0.044 235.7)
-
Step 900
900
#304551
oklch(37.8% 0.033 233.9)
-
Step 950
950
#1C2830
oklch(26.9% 0.022 237.9)
#3D596A 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) | #51586B | 0.028 |
| Deuteranopia (no green cones) | #4B536A | 0.025 |
| Tritanopia (no blue cones) | #2C5D5E | 0.033 |
| Achromatopsia (no color) | #555555 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D596A
#3D596A
oklch(44.9% 0.044 235.7)
- #684F3E
#684F3E
oklch(44.9% 0.043 55.6)
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 #3D596A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.022
- Dusty Grape #545775 ΔE 0.039
- Petrol #005F6A ΔE 0.043
- Slate #516572 ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.050
- Dusk #4E5481 ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.054
- Denim #3B638C ΔE 0.056
Use #3D596A 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.