#3D549D
Closest named color: Denim Blue (#3B5B92). oklch(46.6% 0.121 268.3), rgb(61, 84, 157).
Aa
White text reads best on this color (7.11:1).
About this color
#3D549D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.121 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.029 away. White text reads best on it, at 7.11:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.95:1 |
| White text | 7.11:1 |
Values
| HEX | #3D549D |
| RGB | rgb(61, 84, 157) |
| HSL | hsl(226, 44%, 43%) |
| OKLCH | oklch(46.6% 0.121 268.3) |
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 #3D549D | 7.11:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #3D549D | 2.95:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #3D549D text on white | 7.11:1 | AAA | Lc 84.4 | Fine for body text |
| #3D549D text on black | 2.95:1 | Fails | Lc -17.5 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9EF
oklch(88.5% 0.032 268)
-
Step 300
300
#B0C0E8
oklch(80.9% 0.059 267.9)
-
Step 400
400
#889EDC
oklch(70.6% 0.095 268.9)
-
Step 500
500
#6B85D2
oklch(63% 0.12 268.7)
-
Step 600
600
#536EBF
oklch(55.6% 0.13 268.1)
-
Step 700
700 (this color)
#3D549D
oklch(46.6% 0.121 268.3)
-
Step 800
800
#384B86
oklch(42.8% 0.101 268.5)
-
Step 900
900
#303F6B
oklch(37.7% 0.078 268.3)
-
Step 950
950
#1C253F
oklch(27% 0.05 268.4)
#3D549D 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) | #325DA0 | 0.026 |
| Deuteranopia (no green cones) | #23549B | 0.027 |
| Tritanopia (no blue cones) | #006471 | 0.104 |
| Achromatopsia (no color) | #585858 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D549D
#3D549D
oklch(46.6% 0.121 268.3)
- #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 #3D549D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.029
- Twilight #4E518B ΔE 0.036
- Dusk Blue #26538D ΔE 0.037
- Dusky Blue #475F94 ΔE 0.040
- Light Navy Blue #2E5A88 ΔE 0.045
- Blueberry #464196 ΔE 0.050
- Dusk #4E5481 ΔE 0.050
- Cobalt #1E488F ΔE 0.055
Use #3D549D 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.