#3D499F
Closest named color: Blueberry (#464196). oklch(44.4% 0.139 273.4), rgb(61, 73, 159).
Aa
White text reads best on this color (7.91:1).
About this color
#3D499F is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.139 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.026 away. White text reads best on it, at 7.91:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.65:1 |
| White text | 7.91:1 |
Values
| HEX | #3D499F |
| RGB | rgb(61, 73, 159) |
| HSL | hsl(233, 45%, 43%) |
| OKLCH | oklch(44.4% 0.139 273.4) |
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 #3D499F | 7.91:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #3D499F | 2.65:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #3D499F text on white | 7.91:1 | AAA | Lc 87.2 | Fine for body text |
| #3D499F text on black | 2.65:1 | Fails | Lc -14.9 | Not readable |
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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CFD8F8
oklch(88.5% 0.045 273)
-
Step 300
300
#AFBEF6
oklch(81% 0.081 272.8)
-
Step 400
400
#879AF1
oklch(70.8% 0.129 273.3)
-
Step 500
500
#6B7EEC
oklch(63.1% 0.165 273.4)
-
Step 600
600
#5464DB
oklch(55.6% 0.181 273.2)
-
Step 700
700
#4552BE
oklch(49.1% 0.168 273.3)
-
Step 800
800 (this color)
#3D499F
oklch(44.4% 0.139 273.4)
-
Step 900
900
#303A7A
oklch(37.6% 0.109 273.4)
-
Step 950
950
#1C2347
oklch(27.1% 0.067 272.9)
#3D499F 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) | #1256A2 | 0.046 |
| Deuteranopia (no green cones) | #004D9D | 0.046 |
| Tritanopia (no blue cones) | #005D6D | 0.119 |
| Achromatopsia (no color) | #515151 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D499F
#3D499F
oklch(44.4% 0.139 273.4)
- #655200
#655200
oklch(44.5% 0.091 93.4)
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 #3D499F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.026
- Dark Slate Blue #483D8B ΔE 0.044
- Cobalt #1E488F ΔE 0.045
- Dusk Blue #26538D ΔE 0.049
- Twilight #4E518B ΔE 0.050
- Denim Blue #3B5B92 ΔE 0.057
- Sapphire #2138AB ΔE 0.061
- Light Navy #155084 ΔE 0.064
Use #3D499F 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.