#3B499F
Closest named color: Blueberry (#464196). oklch(44.3% 0.139 272.5), rgb(59, 73, 159).
Aa
White text reads best on this color (7.95:1).
About this color
#3B499F is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.139 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.027 away. White text reads best on it, at 7.95:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.63:1 |
| White text | 7.95:1 |
Values
| HEX | #3B499F |
| RGB | rgb(59, 73, 159) |
| HSL | hsl(232, 46%, 43%) |
| OKLCH | oklch(44.3% 0.139 272.5) |
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 #3B499F | 7.95:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #3B499F | 2.63:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #3B499F text on white | 7.95:1 | AAA | Lc 87.3 | Fine for body text |
| #3B499F text on black | 2.63:1 | Fails | Lc -14.8 | 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
#AEBEF6
oklch(80.9% 0.081 272.1)
-
Step 400
400
#859AF2
oklch(70.7% 0.131 272.5)
-
Step 500
500
#697EED
oklch(63.1% 0.167 272.7)
-
Step 600
600
#5265DB
oklch(55.7% 0.18 272.3)
-
Step 700
700
#4353BE
oklch(49.1% 0.168 272.3)
-
Step 800
800 (this color)
#3B499F
oklch(44.3% 0.139 272.5)
-
Step 900
900
#2F3B7A
oklch(37.8% 0.107 272.2)
-
Step 950
950
#1B2348
oklch(27% 0.069 271.9)
#3B499F 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) | #1155A2 | 0.043 |
| Deuteranopia (no green cones) | #004D9D | 0.044 |
| Tritanopia (no blue cones) | #005D6D | 0.118 |
| Achromatopsia (no color) | #515151 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B499F
#3B499F
oklch(44.3% 0.139 272.5)
- #655100
#655100
oklch(44.3% 0.091 92.3)
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 #3B499F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.027
- Cobalt #1E488F ΔE 0.042
- Dark Slate Blue #483D8B ΔE 0.045
- Dusk Blue #26538D ΔE 0.047
- Twilight #4E518B ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.057
- Sapphire #2138AB ΔE 0.059
- Light Navy #155084 ΔE 0.062
Use #3B499F 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.