#334099
Closest named color: Blueberry (#464196). oklch(41.5% 0.145 272.2), rgb(51, 64, 153).
Aa
White text reads best on this color (8.99:1).
About this color
#334099 is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.145 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.029 away. White text reads best on it, at 8.99:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.33:1 |
| White text | 8.99:1 |
Values
| HEX | #334099 |
| RGB | rgb(51, 64, 153) |
| HSL | hsl(232, 50%, 40%) |
| OKLCH | oklch(41.5% 0.145 272.2) |
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 #334099 | 8.99:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #334099 | 2.33:1 | Fails | Lc 13.7 | Not readable |
| #334099 text on white | 8.99:1 | AAA | Lc 90.3 | Preferred for body text |
| #334099 text on black | 2.33:1 | Fails | Lc -12.0 | 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
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8F9
oklch(88.5% 0.047 272.1)
-
Step 300
300
#ADBEF8
oklch(80.9% 0.084 271.8)
-
Step 400
400
#849AF5
oklch(70.8% 0.136 272.2)
-
Step 500
500
#677EF1
oklch(63.2% 0.173 272.1)
-
Step 600
600
#5063DF
oklch(55.5% 0.189 272.2)
-
Step 700
700
#4252C2
oklch(49.2% 0.175 272.2)
-
Step 800
800 (this color)
#334099
oklch(41.5% 0.145 272.2)
-
Step 900
900
#2E3A7D
oklch(37.7% 0.114 272.2)
-
Step 950
950
#1B2349
oklch(27.1% 0.071 272)
#334099 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) | #004E9C | 0.046 |
| Deuteranopia (no green cones) | #004597 | 0.038 |
| Tritanopia (no blue cones) | #005666 | 0.121 |
| Achromatopsia (no color) | #494949 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334099
#334099
oklch(41.5% 0.145 272.2)
- #5C4A00
#5C4A00
oklch(41.6% 0.085 92.8)
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 #334099, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.029
- Cobalt #1E488F ΔE 0.034
- Dark Slate Blue #483D8B ΔE 0.038
- Sapphire #2138AB ΔE 0.042
- Dusk Blue #26538D ΔE 0.058
- Light Navy #155084 ΔE 0.063
- Twilight Blue #0A437A ΔE 0.066
- Twilight #4E518B ΔE 0.070
Use #334099 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.