#3343A4
Closest named color: Blueberry (#464196). oklch(43% 0.157 271.1), rgb(51, 67, 164).
Aa
White text reads best on this color (8.46:1).
About this color
#3343A4 is a dark, vivid blue. In OKLCH its lightness is 43%, its chroma 0.157 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.035 away. White text reads best on it, at 8.46:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | vivid (0.157) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.47:1 |
| White text | 8.46:1 |
Values
| HEX | #3343A4 |
| RGB | rgb(51, 67, 164) |
| HSL | hsl(232, 53%, 42%) |
| OKLCH | oklch(43% 0.157 271.1) |
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 #3343A4 | 8.46:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #3343A4 | 2.47:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #3343A4 text on white | 8.46:1 | AAA | Lc 88.7 | Fine for body text |
| #3343A4 text on black | 2.47:1 | Fails | Lc -13.5 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FC
oklch(93.5% 0.027 271.9)
-
Step 200
200
#CCD8FC
oklch(88.5% 0.051 270.8)
-
Step 300
300
#ABBEFD
oklch(81% 0.092 271.3)
-
Step 400
400
#8099FB
oklch(70.6% 0.146 271.4)
-
Step 500
500
#627CF9
oklch(63.1% 0.188 271.2)
-
Step 600
600
#4B61E8
oklch(55.5% 0.204 271.1)
-
Step 700
700
#3D4FCA
oklch(49% 0.19 271.1)
-
Step 800
800 (this color)
#3343A4
oklch(43% 0.157 271.1)
-
Step 900
900
#2B3981
oklch(37.6% 0.122 271.1)
-
Step 950
950
#19224C
oklch(27% 0.078 271.2)
#3343A4 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) | #0052A7 | 0.045 |
| Deuteranopia (no green cones) | #0048A2 | 0.036 |
| Tritanopia (no blue cones) | #005B6D | 0.127 |
| Achromatopsia (no color) | #4D4D4D | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3343A4
#3343A4
oklch(43% 0.157 271.1)
- #624D00
#624D00
oklch(43% 0.088 90.6)
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 #3343A4, closest first.
No curated palette has a color within ΔE 0.04 of #3343A4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.035
- Sapphire #2138AB ΔE 0.037
- Cobalt #1E488F ΔE 0.043
- Dark Slate Blue #483D8B ΔE 0.051
- Blue Blue #2242C7 ΔE 0.058
- Dusk Blue #26538D ΔE 0.061
- Majorelle Blue #3F37C9 ΔE 0.064
- Light Navy #155084 ΔE 0.071
Use #3343A4 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.