#3D549F
Closest named color: Denim Blue (#3B5B92). oklch(46.7% 0.124 268.5), rgb(61, 84, 159).
Aa
White text reads best on this color (7.07:1).
About this color
#3D549F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.124 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.032 away. White text reads best on it, at 7.07:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #3D549F |
| RGB | rgb(61, 84, 159) |
| HSL | hsl(226, 45%, 43%) |
| OKLCH | oklch(46.7% 0.124 268.5) |
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 #3D549F | 7.07:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #3D549F | 2.96:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #3D549F text on white | 7.07:1 | AAA | Lc 84.3 | Fine for body text |
| #3D549F text on black | 2.96:1 | Fails | Lc -17.7 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9F0
oklch(88.6% 0.033 268.7)
-
Step 300
300
#B0C0E8
oklch(80.9% 0.059 267.9)
-
Step 400
400
#879EDD
oklch(70.6% 0.096 268.5)
-
Step 500
500
#6A85D4
oklch(63.1% 0.123 268.4)
-
Step 600
600
#536DC1
oklch(55.5% 0.134 268.8)
-
Step 700
700 (this color)
#3D549F
oklch(46.7% 0.124 268.5)
-
Step 800
800
#374B87
oklch(42.8% 0.103 268)
-
Step 900
900
#303F6C
oklch(37.8% 0.08 268.5)
-
Step 950
950
#1C253F
oklch(27% 0.05 268.4)
#3D549F 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) | #305DA2 | 0.026 |
| Deuteranopia (no green cones) | #20549D | 0.029 |
| Tritanopia (no blue cones) | #006572 | 0.107 |
| Achromatopsia (no color) | #585858 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D549F
#3D549F
oklch(46.7% 0.124 268.5)
- #705600
#705600
oklch(46.7% 0.095 88.2)
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 #3D549F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.032
- Twilight #4E518B ΔE 0.038
- Dusk Blue #26538D ΔE 0.040
- Dusky Blue #475F94 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.047
- Blueberry #464196 ΔE 0.050
- Dusk #4E5481 ΔE 0.053
- Cobalt #1E488F ΔE 0.056
Use #3D549F 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.